Trond Viggo Grøntvedt

Trond Viggo Grøntvedt
Norwegian University of Science and Technology | NTNU · Department of Psychology

PhD

About

22
Publications
16,888
Reads
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201
Citations
Citations since 2016
18 Research Items
188 Citations
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20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
Introduction
Evolutionary psychology; partner preferences, sexual conflict, infidelity, jealousy, hormonal contraception and the effects on mating psychology

Publications

Publications (22)
Article
Flirting involves various signals communicated between individuals. To attract potential mates, men and women exhibit flirtatious behavior to get the attention of, and potentially elicit sexual or romantic interest from, a desired partner. In this first large, preregistered study of judgement of the effectiveness of flirtation tactics based on Sexu...
Preprint
Full-text available
In the HUNT Study, all residents aged ≥20 years in the Nord-Trøndelag region, Norway have been invited to repeated surveys since 1984-86. The study data may be linked to local and national health registries. The HUNT4 survey in 2017-19 included 56 042 participants in Nord-Trøndelag and 107 711 participants in the neighboring Sør-Trøndelag region. T...
Book
Mennesket er et resultat av evolusjonsprosessen. Denne prosessen har formet vår menneskelige natur; vår psykologi er et resultat av evolusjon. Denne boken gir en kort introduksjon til evolusjonspsykologi som forskningstilnærming. Forfatterne tar utgangspunkt i sin egen og internasjonale kollegaers forskning på menneskets evolverte seksuelle psyko...
Article
Full-text available
In this study we examined how people perceive social‐sexual behavior of women and men, and how these perceptions were associated with beliefs about the outcomes of the #MeToo movement, sexism, traditional values, and gender equality. In addition, we examined the effect of having experienced sexual harassment on such perceptions. Analyses were perfo...
Article
Full-text available
Sex differences in jealousy responses to sexual and emotional infidelity are robust in samples of heterosexual adults, especially in more gender egalitarian nations. However, investigations of when and how these differences develop have been scant. We applied two forced choice infidelity scenarios in a large community sample of high school students...
Article
Full-text available
In several recent papers the sex difference in regret predicted by sexual strategies theory has been supported: men more than women report regret passing up short-term sexual opportunities (inaction regret), while women regret having had sexual encounters (action regret). However, the adaptive function of regret, to improve future behavioral choice...
Article
Full-text available
The #MeToo movement has to a large degree addressed a specific type of sexual harassment, focusing on quid pro quo over hostile environment type sexual harassment. Prototypical #MeToo features include male over female actor; superior over subordinate actor; repeated over single case harassment; private over public settings; personal over general ta...
Article
Full-text available
Infidelity represents a major threat to relationships, often resulting in dissolution of couples. The process from infidelity to potential breakup was studied in 92 couples using questionnaires concerning hypothetical scenarios of sexual and emotional infidelity. Structural equation model analyses using couple data for both infidelity types suggest...
Article
Full-text available
Several recent papers have established a link between personality and Tinder use, particularly with regards to sociosexuality and motivations for use. Following up our recent publication on dating apps and the studies linking Tinder and sociosexuality, we provide a more detailed investigation of the efficiency of using Tinder to acquire one-night s...
Article
The frequency of sexual intercourse within couples is associated with a variety of factors, such as relationship length, sexual and relationship satisfaction, and perceived quality of the relationship. Love, as a commitment device, might reduce interest in extrapair sex. Therefore, one can expect a negative association between measures of passion a...
Article
Full-text available
From an Error Management Theory (EMT) perspective we expect a negative forgiveness bias, in which one underestimates a romantic partner's forgiveness following one's own transgressions. The function would be to secure that the transgressions are fully mended through reparative behavior. The extent to which this bias is related to infidelity and typ...
Article
This study investigates individual differences, sex differences and predictors of current and prior use of Picture-Based Mobile Dating Apps (PBMDA), including level and type of PBMDA activity, and reasons for PBMDA use. Six hundred and forty-one Norwegian university students aged between 19 and 29 years completed a questionnaire in lecture breaks....
Chapter
Casual sex and hookups are largely synonymous and involve sexual behaviors that occur outside ongoing committed relationships. These brief uncommitted sexual encounters occur among individuals that are not dating or romantic partners, and they are performed without any expectations of future romantic relationships. The encounter typically occurs on...
Article
Full-text available
Oxytocin (OT) has been implicated in the formation and maintenance of various social relationships, including human romantic relationships. Competing models predict, alternatively, positive or negative associations between naturally-occurring OT levels and romantic relationship quality. Empirical tests of these models have been equivocal. We propos...
Research
Full-text available
Kunnskapsstatusen gir en oversikt over norsk og annen nordisk forskning på bakgrunn av tilgjengelig kunnskap for perioden 2007-2015. Rapporten finner på bakgrunn av kartleggingsstudier at det å bli utsatt for uønsket seksuell oppmerksomhet i form av seksuell trakassering blant elever i ungdomsskolen og videregående opplæring utgjør et betydelig sam...
Chapter
This is not an Abstract in conventional sense, but what the Encyclopedia terms a "Definition": Sexual behavior may be broadly defined as all behavior motivated by sexual feelings, desires, or gratification, whether reproductive or not. While a lot of this behavior may be understood and predicted from a reproductive, evolutionary framework, the mod...
Article
Women's mating adaptations may vary between fertile and luteal phases, given different costs and benefits of sexual activity during each phase. Women's non-conceptive (“extended”) sexuality might function in the context of pair-bonding. The current studies examined associations between women's loyalty and faithfulness to their relationships and fre...
Article
Full-text available
There is a large number of varied reasons for having sexual intercourse, ranging from sexual joy and pleasure to less frequent reasons such as wanting to hurt a person or feeling obliged to have sex with someone. The current paper investigated to what degree the reasons for having sex found by Meston and Buss are predicted systematically and indepe...
Article
Despite men initiating sex more than women there is considerable variance within the sexes. This study is the first to consider the impact of multiple predictors from the literature, and investigates how factors, such as relationship length, sociosexuality, and different aspects of self-perceived mate value among others, independently and interacti...
Article
Full-text available
We investigated age preferences and mate choice for students whose ages ranged from 18 to 30 years in a sample from the world’s most egalitarian nation. Sex differences in age preferences have been shown to be quite consistent across a variety of cultures, but the explanations for these findings have varied. From an evolutionary psychology point of...

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