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Biomedical subjects

J P Leyens

Publications and source records attributed to J P Leyens.

8 recordsLinked to original sources

Asch's social psychology: not as social as you may think.

This article discusses 2 commonly held ideas about Solomon Asch's work in social psychology: (a) Asch was primarily interested in social phenomena in general and in group processes in particular, and (b) Asch was a forerunner of social cognition. Asch's studies on social influence were translations of strictly perceptual experiments. For him, social stimuli had no specificity relative to physical ones provided that the perceptual context presented similar structural properties. Moreover, and contrary to Kurt Lewin (e.g., 1948) Asch focused his attention at the individual level and may have slowed down interest in social interactions or group processes. Asch's studies on impression formation presaged the social cognition approach. In his work, he foresaw the importance of online processing of information, the existence of implicit theories of personality, as well as perception based on exemplars and prototypes. However, Asch's reliance on immediate perceptual experience, on isomorphism between the properties of the external object and the phenomenal experience of this object, and his holistic and dynamic perspective clash with the main stream of social cognition research.

Journal Article↗

Perception of violence as a function of observer's ideology and actor's group membership.

This article examines how conservative and radical subjects explain and judge aggression perpetrated by institutional (i.e. policeman) or anomic (i.e. delinquents) agents. One hundred and twenty-nine university students in Lisbon, either very conservative or very radical, selected five causes out of a total of 30 to explain an aggressive act committed by a given actor toward an unknown victim in unspecified circumstances. Half of the causes were internal and half were external. Subjects also had to rate the amount of violence, the responsibility of the agent, and the potential punishment. In accordance with the hypotheses, conservative and radical subjects used different types of causes to explain the aggression of different actors and they judged the act differently according to the perpetrator. Moreover, for all subjects there was a significant correlation between perceived violence, responsibility and punishment. These judgements, however, correlated significantly with the type of attribution only in the case of conservative subjects: the more tolerant conservatives were, the more external causes they selected. These results are discussed in the light of the social dimensions most valued by observers of aggressive episodes.

Guilt↗

Audience effects when viewing aggressive movies.

In order to examine audience effects when viewing filmed violence, male subjects watched an aggressive or a neutral movie either alone, accompanied by a passive confederate (i.e. mere presence of a co-spectator), or an active one (i.e. reacting to the movie). The subsequent behavioural measures of subjects' aggression were collected via a modified aggression apparatus. The usual instigation effect of filmed violence was found. Furthermore, the type of audience also influenced aggression: subjects accompanied by an active confederate during the violent movie displayed their aggressive behaviour most. These findings stress the importance of the social context when filmed violence is viewed. The results are discussed in terms of social facilitation and disinhibition effects. It is suggested that an active audience may promote a reduction of restraints against aggressing by showing the subject that aggression is permissible.

Adult↗