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Experienced Utility and Objective Happiness: A Moment-Based Approach

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INTRODUCTION The concept of utility has carried two different meanings in its long history. As Bentham (1789) used it, utility refers to the experiences of pleasure and pain, the “sovereign masters” that “point out what we ought to do, as well as determine what we shall do.” In modern decision research, however, the utility of outcomes refers to their weight in decisions: utility is inferred from observed choices and is in turn used to explain choices. To distinguish the two notions I refer to Bentham’s concept as experienced utility and to the modern usage as decision utility. Experienced utility is the focus of this chapter. Contrary to the behaviorist position that led to the abandonment of Bentham’s notion (Loewenstein 1992), the claim made here is that experienced utility can be usefully measured. The chapter has three main goals: (1) to present a detailed analysis of the concept of experienced utility and of the relation between the pleasure and pain of moments and the utility of more extended episodes; (2) to argue that experienced utility is best measured by moment-based methods that assess current experience; (3) to develop a moment-based conception of an aspect of well-being that I will call “objective happiness.” The chapter also introduces several unfamiliar concepts that will be used in later chapters. Pleasure and pain are attributes of a moment of experience, but the outcomes that people value extend over time. It is therefore necessary to establish a concept of experienced utility that applies to temporally extended outcomes. Two approaches to this task will be compared here.

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... Психологическая способность чувствовать себя счастливым в какой-то момент времени (счастье как яркая положительная эмоция) получила название моментального счастья [18]. Такое счастье предполагает положительный баланс приятных переживаний в данный момент или в короткой временной перспективе. ...
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... Holistically associative --Disagree (Descartes, 1637(Descartes, -1998Spinoza, 1677Spinoza, -2007Leibniz, 1720Leibniz, -2001Husserl, 1900Husserl, /01-2015 Affectively charged Disagree (Behling and Eckel, 1991;Isenberg, 1991;Brockmann and Anthony, 1998;Gavetti and Levinthal, 2000) Disagree (Nisbett and Ross, 1980;Tversky and Shafir, 1992;Crossan et al., 1999;Osbeck, 1999Osbeck, , 2001Kahneman and Tversky, 2000) Disagree Aristotle (Bacon, 1620(Bacon, -1992Descartes, 1637Descartes, -1998Locke et al., 1690Locke et al., -2006Leibniz, 1720, Hume, 1738/40-2001Kant, 1781Kant, -2013, Zalta, 2004), early Whitehead, 1910, 1912;Wittgenstein, 1914Wittgenstein, -1953Hilbert, 1925Hilbert, -1983Godel, 1964Godel, /2011Hodgkinson et al., 2008) Non-conscious -Disagree (Osbeck, 1999(Osbeck, , 2001Dijksterhuis, 2004;Strack and Deutsch, 2004;Overgaard et al., 2006;Sandberg et al., 2010;Ham and Van den Bos, 2011;Miller and Schwarz, 2014) Disagree Pythagoras, Plato (Agostino, 1387-2002, Descartes, 1637-1998Spinoza, 1677Spinoza, -2007Zalta, 2004) Fast -Disagree (Hogarth, 2001;Dijksterhuis, 2004;Dijksterhuis and Nordgren, 2006) Disagree Plato, Aristotle (Descartes, 1637(Descartes, -1998Spinoza, 1677Spinoza, -2007Husserl, 1900Husserl, /01-2015Zalta, 2004) Authors' elaboration. ...
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... (Trepel,43) Kahneman, deneyim boyunca (gerçek zaman faydası) ve deneyimden sonraki (anımsanan fayda) fayda arasında farklılıklar bulmuştur. Bunlar şu şekildedir: (Kahneman, 1999) a) Anımsanan fayda: Hafızaya dayalı bir yaklaşım kullanılarak ölçülmektedir. Geçmiş deneyimlerin retrospektif bir değerlendirmesini içerir. ...
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... 31 Also, we might simply be too curious for Boris to try his real life -anticipating future pleasure in reality from finding out. 32 Another way to adjust the Experience Machine may be to set it up in the past. Consider this alternative thought experiment: ...
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... That is too big and different a question to try to answer here. But suffice it to say, and as my theory suggests, I believe that a Kahnemanian "moment-based" approach (as in Kahneman, 2000) is superior to its main rival, the life-satisfaction approach (as in Pavot & Diener, 1993), which is suggested by the life-satisfaction theory of happiness. And note as well that even if I am right that the nature of happiness is to be explained in terms of desire, it does not follow that the best way to measure happiness is to ask subjects questions that are stated in the language of desire. ...
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This open access book defines happiness intuitively and explores several common conceptual mistakes with regard to happiness. It then moves on to address topical issues including, but not limited to, whether money can buy you happiness, why happiness is ultimately the only thing of intrinsic value, and the various factors important for happiness. It also presents a more reliable and interpersonally comparable method for measuring happiness and discusses twelve factors, from A to L, that are crucial for individual happiness: attitude, balance, confidence, dignity, engagement, family/friends, gratitude, health, ideals, joyfulness, kindness and love. Further, it examines important public policy considerations, taking into account recent advances in economics, the environmental sciences, and happiness studies. Novel issues discussed include: an environmentally responsible happy nation index to supplement GDP, the East Asian happiness gap, a case for stimulating pleasure centres of the brain, and an argument for higher public spending.
Article
A rich body of empirical research has posited the emotional concepts of pride and guilt are psychological forces that affect pro-environmental behavior, yet there is conflicting evidence about how each shapes pro-environmental behavior. We report on results from the first meta-analysis that has evaluated the associations of pride and guilt in relation to pro-environmental behavior over a 30-year period. An analysis of 23 correlational studies showed that anticipated pride (r = 0.47) and anticipated guilt (r = 0.39) were significantly correlated with intended and reported pro-environmental behavior, and that anticipated pride had a stronger relationship with behavior than guilt. Results from 12 experimental studies indicated that pride (r = 0.17) and guilt (r = 0.26) were equally strong in their ability to explain variation in pro-environmental behavior. Additionally, a moderator analysis revealed that in experimental studies the effects of both anticipated pride and guilt were significantly correlated with intended and reported pro-environmental behavior but did not differ from one another. By contrast, only experienced guilt (and not pride) predicted intended and reported pro-environmental behavior in experimental research. These findings underscore the importance of considering the mechanisms and extent to which pride and guilt shape behavioral patterns that influence environmental sustainability.
Article
Millions of employees across the globe, including a large proportion of knowledge workers, transitioned to remote work during the COVID-19 pandemic. As remote work continues to characterize work post-crisis, it is imperative to understand how employees adjust to remote work. The current research explores the extent to which knowledge workers hold a fixed mindset about remote work (e.g., that a person either is or is not suited to remote work and this cannot be changed) and tested how this mindset shaped well-being during coronavirus-related lockdown. In a longitudinal five-week study of 113 knowledge workers transitioning to remote work, we find that knowledge workers who endorsed a more fixed mindset about remote work experienced more negative and less positive emotion during remote work. The increased negative emotion prompted by fixed mindsets was associated with lesser perceived productivity among these knowledge workers in subsequent weeks. We conclude that understanding how fundamental beliefs (e.g., beliefs about the learnability of remote work) affect employee experiences can help create a brighter future as technology further enables remote work. Encouraging employees to view remote work as a skill that can be learned and developed could help people thrive in the new world of work.
Chapter
The present chapter is devoted to the experiential now as an individual fundamental entity of the complex present that plays the pivot role in dynamics of the human temporality. In our theory, the implementation cost of action strategies is determined by effort. For this reason, we elucidate its essential properties and develop the multi-component theory of subjective effort. Turning to the laws of psychophysics, we develop the description of subjective effort in terms of one-dimensional clouds in the space of effort magnitudes experienced by the subject. Two components of subjective effort are singled out. One is the experienced effort of bodily executed actions. The other is the mental effort related to monitoring the results of bodily actions. The available psychological and physiological data that enable us to develop the original mathematical description of subjective effort are presented. In particular, the power-law of memory load, the regularities of speed-accuracy tradeoff are used to construct the mental effort of monitoring which admits the interpretation as quasi-entropy of subject’s actions. To fuse the two types of subjective effort, we propose a new concept of an endless cloud cycle dealing with effort-as-experienced and effort-as-evaluated. This concept enables us to employ the notion of time-to-fatigue in order to make the two types of subjective effort mutually commensurable. As a result, a nonlinear model for the effort fusion is elaborated, which may be treated as an analogy to free energy. The appendix presents the details of the mathematical constructions and experimental data on binary categorization that underlie the mathematical description of subjective effort including the experienced effort of bodily executed actions and the mental effort of monitoring the results of bodily actions.
Chapter
Emotions have a major role in social interactions (Russell et al., 2003; Sander et al., 2005) and in determining the consumption behavior. Emotion measurement often provides important information beyond the subject’s preferences, such as physiological and psychological characteristics and affective consumer’s state. The present chapter is focused on the most commonly used methods to investigate the emotions of nonfood products and concerns mainly advertising and marketing fields, design, cosmetics, fragrances, and odors. Medical and clinical applications were not approached.
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Hedonic adaptation has come to play a large role in wellbeing studies and in practical philosophy more generally. We argue that hedonic adaptation has been too closely assimilated to sensory adaptation. Sensation and selective attention do indeed play a role in adaptation; but so do judgment, articulation, contextualization and background assumptions, as well as coping strategies and features of one’s social and physical environment. Hence the notion of hedonic adaptation covers not a single uniform phenomenon, but a whole range of different processes and mechanisms. We present a taxonomy of different forms of hedonic adaptation, pointing especially to the importance of coping strategies and socially supported adaptation, which have been overlooked or misdescribed by adaptation theory, but implicitly recognized by empirical research. We further argue that the differences between types adaptive processes have ramifications for normative theories. Adaptation can work both for good and for bad, depending on the psychological and contextual details. Acknowledging the many forms of hedonic adaptation, and the ubiquitous role of mutual adjustments of values, standards of judgment, emotional tendencies, behavior and environmental factors in achieving wellbeing also gives support to a more complex and dynamic view of wellbeing as such.
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Long-distance walking is an ancient activity practiced across cultures for many reasons, including the improvement of one’s health. It has even been suggested that long-distance walking may be considered a form of psychotherapy. This scoping review examined the relationship between long-distance walking and mental health among adults. Publication trends and definitions were also examined, and the reason why long-distance walking may have therapeutic effects was discussed. Systematic searches in three online databases were performed using a selection of long-distance walking terms. Both quantitative and qualitative studies were included if they examined associations between long-distance walking and mental health in an adult population. Mental health was conceptualized in broad terms, including descriptions of mental states as well as more specific measurements or notions of mental health. A total of 8557 records were screened and 26 studies were included, out of which 15 were quantitative, 9 were qualitative, and 2 were mixed. The findings showed that long-distance walking was positively related to mental health. This was most consistent with regard to emotional distress compared to somewhat inconsistent findings regarding well-being. Therefore, long-distance walking may be more appropriately used to counter some personal or emotional struggle rather than to achieve hedonic pleasure.
Article
The present study aims at ranking the various factors which affect the stock selection decisions of retail investors in the Indian stock market. Further, the research provides valuable insights into the different factors that affect the stock selection decisions of the equity investors. For this purpose, the data were collected from 168 retail equity investors dealing in the Indian Stock Market. “Fuzzy Analytic Hierarchy Process” was applied to rank the various factors affecting the stock selection decision of Individual equity investors trading in the Indian Stock Market. The primary factors considered for the study are accounting information, ownership structure, company-specific attributes, image of the company/board of directors, fundamentals of stock, trading opportunities, and sensitivity of stock and behavioral factors. The findings of the study revealed that behavioral factors, trading opportunities, and accounting information were the three most influential criteria. The five most influential sub-criteriums were, “I invest in those stocks which are affordable in terms of price (C52),” “I invest in the company's stock based on the recent price movement of stock (C51),” “I select the stock based on the sensitivity of company's stock performance to overall market performance (C62),” “I invest in the stock based on the trend of major indices (C61),” and “I prefer to invest in stocks which are evaluated by well-known experts (C80).” The present research has been carried out on a limited sample size which truly represented the total population; still, it is considered as the limitation of the study. The outcome of this research will provide investors with a better understanding of various factors that influence their stock selection decision. The study provides them a guideline on different factors; they should take into consideration, while undergoing the stock selection decision. The present research study enriches the literature on behavior finance from emerging markets.
Article
Despite a wealth of research on its correlates, relatively little is known about how to effectively raise wellbeing in local communities by means of intervention. Can we teach people to live happier lives, cost-effectively and at scale? We conducted a randomised controlled trial of a scalable social-psychological intervention rooted in self-determination theory and aimed at raising the wellbeing and pro-sociality of the general adult population. The manualised course (“Exploring What Matters”) is run by non-expert volunteers (laypeople) in their local communities and to date has been conducted in more than 26 countries around the world. We found that it has strong, positive causal effects on participants' subjective wellbeing and pro-sociality (compassion and social trust) while lowering measures of mental ill health. The impacts of the course are sustained for at least two months post-treatment. We compare treatment to other wellbeing interventions and discuss limitations and implications for intervention design, as well as implications for the use of wellbeing as an outcome for public policy more generally.
Article
The use of advanced statistical methods and artificial intelligence including machine learning enables researchers to identify preoperative characteristics predictive of patients achieving minimal clinically important differences in health outcomes after interventions including surgery. Machine learning uses algorithms to recognize patterns in data sets to predict outcomes. The advantages are the ability, using “big data” registries, to infer relations that otherwise would not be readily understood and the ability to continuously improve the model as new data are added. However, machine learning has limitations. Models are only as good as the data incorporated, and data may be misapplied owing to huge data sets and strong computing capabilities, in which spurious correlations may be suggested based on significant P values. Hence, common sense must be applied. The future of outcome prediction studies will most definitely rely on machine learning and artificial intelligence methods.
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What does city life do to us? We start this discussion introducing the sociologists Tönnies, Durkheim, Simmel, Park, Weber, Wirth, Fisher, Foucault, Gans, Gieryn, Hägerstrand, Stokols, Lowry and Harvey; the philosophers Aristotle, Aristippus, Epicurus, Augustine, Aquinas, Epictetus, Kant, Mandeville, Bentham; the economists, among many, Mill, Stigler, Glaeser, Frey, Easterlin; the psychologists Kahneman, Diener and many others; and evolutionary psychology hints. Empirical evidence suggests a causal link between mental health and urbanicity level. Idem for life satisfaction and stated preferences, both resulting higher at lower urbanicity levels. Despite this, more and more people are deciding to spend their lives in cities (85–90% by 2100). Why? Urban life pros and cons pose individuals subjective spatial dis-equilibrium to face life-time and daily-life decisions, rationally/irrationally balancing advantages and disadvantages in short (current utility) and long term (lifetime utility) perspectives. People trade-off antagonistic arguments of their lifetime/current utility functions when deciding where to live, and some of them end up having to sacrifice a preferred environment to enjoy other types of benefits. Future technological advances (robots, artificial intelligence, hologram communication, telework, teleservices, hyperloops …) and urban-territorial design will radically transform our socio-economic systems and free us up to live where we truly prefer, which might either be an electronic cottage in the wild, a picturesque rural settlement, a romantic town, a beautiful city, a sparkling megacity, or a combination of them.
Article
We examine how individual metacognitive differences and the two selves - the experiencing and remembering selves - are related to individual risk attitudes. To track how the experiencing self makes judgments, participants in an experiment are primed over six weeks with macroeconomic and political news in an ecologically relevant period of a presidential election. Every Friday, the participants indicate their willingness to take risks at the moment. In Week 7, all participants are asked to rate the total experience of the six weeks. Rather than reporting hedonimeter totals, they show duration neglect and only the final moment matters for the retrospective judgment. Moreover, individual risk tolerance is higher when assessed by the remembering self than when judged by the experiencing self. Also, higher metacognitive ability is associated with higher levels of risk tolerance. However, participants of higher metacognitive ability still cannot avoid the System 1 bias of duration neglect. This is the first empirical work explicitly relating the two selves and Systems 1 and 2 thinking processes.
Article
The authors developed and used a game ( Tigo-Tigo) to collect data on people’s emotional experience in their environment in an area hit by a typhoon (Philippines). With the aim of encouraging the use of games for data collection in the field, they provide an in-depth analysis of all phases of the process, from the game development to the experience of the game sessions and the quality of the data produced. Designing a data collection game is creating an immersive experience that get people to share information with the researcher. However challenging to develop as it has to meet both data gathering and game requirements, Tigo-Tigo successfully produced complex data and a positive experience. By following its simple rules, the respondents were led to formulate and share both quantitative (emotion levels) and qualitative (explanations for emotion-environment associations) data. Moreover, the game was motivating and changed the status of participation, as the researchers played with the respondents in an inversed power setting. Finally, its particular interactional structure also improved the quality of the data produced by reducing expectation as well as cultural and translation barriers encountered in the field.
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The pig market had experienced a cycle of price rise and fall, also known as the “pig cycle.” This paper analyzes the fluctuation relationship between pig price, pig supply, and pork demand, constructs a system dynamics model of the pig industry by decomposing the structure of the pig supply chain, and then discusses the causes of “pig cycle,” as well as the supply chain management strategy and industrial policy, to stabilize the pig industry market. Research shows that reducing the cost of pig breeding, countercyclical adjustment, and government macrocontrol can effectively reduce the fluctuation of pig prices. Among them, reducing the pig breeding cost is the most effective long-term strategy to stabilize the pig price.
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Hsee and Zhang (2004) argued that when people face a decision and must predict future affective ‎states, they are often in a joint evaluation (JE) mode where direct comparisons between different ‎choice options are relatively easy. When actually experiencing (or predicting affective states for) ‎only one of these options, people are usually in single evaluation (SE) mode where direct ‎comparisons are more difficult. This situational difference in evaluation mode was observed to ‎lead to overpredictions of positive affect (happiness) when people were in JE in comparison to SE ‎for options that were quantitatively different, but there were no overpredictions for options that ‎were qualitatively different. This effect was coined distinction bias. In the present paper, we ‎replicated (and extended on) Studies 1 and 2 from Hsee and Zhang with 824 MTurk participants. ‎In Study 1 we replicated the original findings: Relative to people in SE, people in JE overpredicted ‎the happiness derived from quantitatively different hypothetical scenarios (i.e., selling 80 vs 160 ‎books, or 160 vs 240 books), but did not overpredict the difference between qualitatively different ‎hypothetical scenarios (i.e., selling 0 books vs 80 books; 0 being the implicit reference point that ‎makes the two scenarios qualitatively different). Study 2 failed to find support for the original ‎findings: People in JE did not consistently overpredict happiness for quantitatively different ‎scenarios (i.e., copy-pasting 25 negative words vs 10 negative words, or 10 positive words vs 25 ‎positive words). Taken together, the present paper provides mixed support for distinction bias. ‎
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Most authors who discuss willpower assume that everyone knows what it is, but our assumptions differ to such an extent that we talk past each other. We agree that willpower is the psychological function that resists temptations—variously known as impulses, addictions, or bad habits; that it operates simultaneously with temptations, without prior commitment; and that use of it is limited by its cost, commonly called effort, as well as by the person's skill at executive functioning. However, accounts are usually not clear about how motivation functions during the application of willpower, or how motivation is related to effort. Some accounts depict willpower as the perceiving or formation of motivational contingencies that outweigh the temptation, and some depict it as a continuous use of mechanisms that interfere with re-weighing the temptation. Some others now suggest that impulse control can bypass motivation altogether, although they refer to this route as habit rather than willpower. It is argued here that willpower should be recognized as either or both of two distinct functions, which can be called resolve and suppression . Resolve is based on interpretation of a current choice as a test case for a broader set of future choices, which puts at stake more than the outcome of the current choice. Suppression is inhibiting valuation of ( modulating ) and/or keeping attention from ( filtering ) immediate alternatives to a current intention. Perception of current choices as test cases for broader outcomes may result in reliable preference for these outcomes, which is experienced as an effortless habit -- a successful result of resolve, not an alternative method of self-control. Some possible brain imaging correlates are reviewed.
Article
The transportation network companies (TNCs) Uber and Lyft have introduced shared ride services, called “UberPool” and “Lyft Shared,” which use real-time cyber-connectivity to match travelers with similar origins and destinations so they can share discounted rides. It is hoped this will reduce the amount of vehicle miles traveled that TNCs are adding to the roads. However, previous evidence suggests that drivers and passengers have some dissatisfaction with these services. This paper uses a survey of 309 TNC drivers to examine the driver experience with providing shared rides. We find that in the aggregate drivers are considerably less satisfied with providing shared trips compared to solo trips with services such as UberX and Lyft Classic. There are a number of sources of dissatisfaction. Although some feel shared services add to their earnings, more drivers perceive their compensation for shared rides to be unfair. Further, although drivers sometimes enjoy the social interactions that Pool and Shared generate, many drivers complain that customers are often unhappy due to issues like trips taking longer than expected and friction between passengers. Finally, drivers feel serving shared trips is difficult and stressful work, due to things like routing and pick-up instructions that sometimes seem irrational and change frequently, difficult pick-ups and drop-offs, and long trips. We offer suggestions for improving driver satisfaction with Pool/Shared by raising and restructuring driver compensation, better publicizing the ways in which Pool/Shared increase driver incomes, increasing ridership through means such as better advertising of shared services and raising the price of solo travel, improving the information given to drivers, incentivizing good passenger behavior, and improving the passenger experience.
Article
After reviewing prior work regarding components of experience value, I present the concept of “Concurrent Experience Evaluation” (“CEE”), which expands the prior focus on experienced pain and pleasure in response to a stimulus/event. Specifically, the value of an experience is also determined by the concurrent (during‐the‐experience) cognitive assessment of the event relative to the person’s associated goal progress/regression. CEE can account for during‐the‐experience and subsequent choices that people make. Examples of CEE include cognitive evaluations that enhance the experience value such as “good for me” (while eating kale), “I’m getting my money’s worth” (while using a new camera), and “I’m having a cultural experience” (while visiting a museum), or detract from the experience such as “I shouldn’t be doing this” (while smoking or overeating) and “should have chosen the other line” (while waiting at the supermarket checkout). Although prior research has examined hedonic experiences and their context (e.g., being with friends, commuting, colonoscopy) as well as what else the mind may process during an experience (e.g., wandering, thinking of past and future decisions), the concurrent value derived from the cognitive evaluation of the goal implications of an experience has not been identified as a separate experience value component. I examine and illustrate the CEE concept, its determinants, moderators, and implications, as well as its distinctive characteristics as compared with other value perspectives and during‐the‐experience mental processes. Integrating the CEE framework with prior work regarding experience evaluations, I outline a program for future CEE research.
Article
Introduction In clinical practice, observational scales are the most common approach used to assess gait pattern in people with neurological disorders. The Gait Assessment and Intervention Tool (GAIT) is an observational gait scale and it has proved to be the most comprehensive, homogeneous and objective of all the observational gait scales studied in people with neurological conditions. Objective To study the construct validity of the GAIT in people with multiple sclerosis (MS). Design An observational study was conducted. Setting A Multiple Sclerosis Foundation in Madrid (Spain). Patients 35 MS patients were assessed Main Outcome Measure(s) GAIT construct validity was assessed using the following scales: Rivermead Visual Gait Assessment (RVGA), Tinetti Gait Scale (TGS), 10 Meter Walking Test (10mwt), Timed Up&Go (TUG), Hauser Ambulatory Index (HAI), Multiple Sclerosis Walking Scale‐12 (MSWS‐12), Functional Gait Assessment (FGA), Modified Ashworth Scale (MAS), and Rivermead Mobility Index. (RMI) Results A total of 35 subjects with MS were assessed. The correlations between the GAIT and the RVGA were excellent (r > .90) and moderate with TGS (values between ‐.62 and ‐.59). Correlations with HAI, FGA, MSWS‐12, and RMI were moderate (with values between .57 and .67). Correlations were lower for the velocity scales, TUG and MAS. Conclusions The construct validity of the GAIT is high, as a measure of gait coordination in people with MS. Specifically, there was excellent correlation with the RVGA. There was a moderate correlation for the GAIT with measures of functional mobility, but a lesser correlation of the GAIT with measures restricted to temporal gait characteristics (speed measures) or measurements of impairments underlying gait patterns such as balance or muscle tone. This article is protected by copyright. All rights reserved.
Article
Historically, rational choice theory has focused on the utility maximization principle to describe how individuals make choices. In reality, there is a computational cost related to exploring the universe of available choices and it is often not clear whether we are truly maximizing an underlying utility function. In particular, memory effects and habit formation may dominate over utility maximization. We propose a stylized model with a history-dependent utility function, where the utility associated to each choice is increased when that choice has been made in the past, with a certain decaying memory kernel. We show that self-reinforcing effects can cause the agent to get stuck with a choice by sheer force of habit. We discuss the special nature of the transition between free exploration of the space of choice and self-trapping. We find, in particular, that the trapping time distribution is precisely a Zipf law at the transition, and that the self-trapped phase exhibits super-aging behavior.
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