Marianne Hammerl’s research while affiliated with University of Regensburg and other places

This study reports on the relationship between evaluative learning (EL) and attentional preference in children with varying degrees of anxiety, as measured by the Multidimensional Anxiety Scale for Children, and varying degrees of parental anxiety, as measured by scores on the Beck Anxiety Inventory (BAI). In the first experiment, 3 age groups (7-8, 10-11 and adults with mean age 26.8 years) were compared on a novel EL method, in which neutral images "morphed" over 1s into either smiling or angry adult faces. There were no differences in EL between the age groups-each showing a strong EL effect. In 2 subsequent experiments, we examined learning and attention to stimuli following EL trials in 7- to 8-year olds. In Experiment 2, panic/separation anxiety (PSA) and the mothers' BAI predicted the overall magnitude of EL. In addition, high PSA children were more likely to attend to a neutral stimulus previously paired with a negative stimulus than were low PSA children. In Experiment 3, only PSA was positively associated with the magnitude of EL. In the attention trials, high PSA children had longer fixation times on frowning faces than did low PSA children but unlike Experiment 2 PSA was not associated with preferential attention towards stimuli with acquired negative valence. These results indicate that associations between learning, attention and emotional information can be influenced by separation anxiety and maternal anxiety.

Recent studies have shown that the basic evaluative conditioning (EC) effect (originally neutral stimuli acquiring an affective value congruent with the valence of the affective stimulus they were paired with) seems to be limited to participants who are unaware of the stimulus pairings. If participants are aware of the pairings, reactance effects occur (i.e., changes in the opposite direction of the valence of the affective stimulus). To examine whether these reactance effects are due to processes of conscious countercontrol or whether the ratings reflect intrinsic feelings towards the stimuli, a new procedure was developed that included a bogus-pipeline condition. In this procedure, which was adapted from attitude research, participants were connected to bogus lie detector equipment leading them to believe that their "true" affective-evaluative responses were being observed. In Experiment 1, reactance effects occurred also in this procedure, suggesting that the effect is spontaneous and not due to processes of conscious countercontrol. In Experiment 2, these effects were replicated using a between-subjects design in addition to the standard within-subjects control condition.

Recent studies have reported varying results regarding cognitive performance while chewing gum. The differences between the results of these studies may be explained by methodological and statistical factors. Future studies are needed to assess various aspects of cognitive functioning using extensive standardised neuropsychological test batteries, adequate experimental designs and appropriate statistical methods.

In a study published previously in this journal (Wilkinson et al., 2002), the effect of chewing gum on cognitive functioning was examined. The results of this study indicated that chewing a piece of gum results in an improvement of working memory and of both immediate and delayed recall of words but not of attention. In the present study, memory and a variety of attentional functions of healthy adult participants were examined under four different conditions: no chewing, mimicking chewing movements, chewing a piece of tasteless chewing gum and chewing a piece of spearmint flavoured chewing gum. The sequence of conditions was randomised across participants. The results showed that the chewing of gum did not improve participants' memory functions. Furthermore, chewing may differentially affect specific aspects of attention. While sustained attention was improved by the chewing of gum, alertness and flexibility were adversely affected by chewing. In conclusion, claims that the chewing a gum improves cognition should be viewed with caution.

New on the professorial chair. University professors as leaders When taking over a professorship, young scientists face a lot of new tasks, especially tasks of leadership for which they usually do not possess any knowledge nor experience. Besides these deficits, it is a lack of prior reflections that thwarts a successful starting on the new job. A qualified coaching could prevent this outcome. For coachs who are asked for counseling in such situations or want to specialize in this field, the article provides background informations and a counseling framework. A special section deals with coaching of female scientists and gender specific aspects of a professorship.

Three experiments are reported that address the issue of awareness in evaluative learning in two different sensory modalities: visual and haptic. Attempts were made to manipulate the degree of awareness through a reduction technique (by use of a distractor task in Experiments 1 and 2 and by subliminally presenting affective stimuli in Experiment 3) and an induction technique (by unveiling the evaluative learning effect and requiring participants to try to discount the influence of the affective stimuli). The results indicate overall that evaluative learning was successful in the awareness-reduction groups but not in the awareness-induction groups. Moreover, an effect in the opposite direction to that normally observed in evaluative learning emerged in participants aware of the stimulus contingencies. In addition, individual differences in psychological reactance were found to be implicated in the strength and direction of the effect. It is argued that these results pose serious problems for the contention that awareness is necessary for evaluative learning.

We argue that the effects of evaluative learning may occur (a) without conscious perception of the affective stimuli, (b) without awareness of the stimulus contingencies, and (c) without any awareness that learning has occurred at all. Whether the three experiments reported in our target article provide conclusive evidence for either or any of these assertions is discussed in the commentaries of De Houwer and Field. We respond with the argument that when considered alongside other studies carried out over the past few decades, our experiments provide compelling evidence for a theory that posits a dissociation between evaluative learning and contingency awareness.

The status of evaluative conditioning (EC) as a distinct form of associative learning was called in question by Field and Davey (1997, 1998, 1999), who argued that in the typical visual EC paradigm, nonassociative visual concept learning is responsible for the evaluative changes observed. Especially, the use of only within-subject control conditions instead of independent control groups was criticized. The present three experiments show (a) that EC effects can be demonstrated within another sensory modality than visual perception and (b) that EC effects are demonstrable in a between-subject design (including a successful replication attempt). A further result was that these EC effects do not require participants' conscious awareness. The data provide no support for an artifactual account of EC but suggest an interpretation of EC as a form of associative learning.

Zusammenfassung: Sozialpsychologische Experimente stehen haufig in der Kritik, sie seien artifiziell und spiegeln nicht das «wirkliche Leben» wider. In diesem Zusammenhang weisen Aronson und Carlsmith (1968) darauf hin, dass es gar nicht die Aufgabe eines Experiments ist, die Lebenswelt zu simulieren, sondern ein Hochstmas an experimenteller Realitatsnahe aufzuweisen (d. h. eine grostmogliche Wirkung auf die Versuchspersonen zu erzielen). Die experimentelle Realitatsnahe eines Laborexperiments wird wiederum bestimmt durch die Art der gewahlten Operationalisierung der unabhangigen und abhangigen Variablen. Daher wurde in der vorliegenden Arbeit anhand von 6 kompletten Jahrgangen (1994-1999) der Zeitschrift fur Sozialpsychologie uberpruft, auf welche Weise diese Variablen in den jeweiligen experimentellen Arbeiten operationalisiert wurden. Es zeigte sich eine stark ausgepragte Praferenz fur hypothetische Szenarien zur Manipulation der unabhangigen Variablen und fur Selbstberichtsverfahren zur Messung der ab...