Biomedical subjects

Diederik A Stapel

Publications and source records attributed to Diederik A Stapel.

9 recordsLinked to original sources

PubMed2007

On models and vases: body dissatisfaction and proneness to social comparison effects.

When and why do media-portrayed physically attractive women affect perceivers' self-evaluations? In 6 studies, the authors showed that whether such images affect self-evaluations depends jointly on target features and perceiver features. In Study 1, exposure to a physically attractive target, compared with exposure to an equally attractive model, lowered women's self-evaluations. Study 2 showed that body-dissatisfied women, to a greater extent than body-satisfied women, report that they compare their bodies with other women's bodies. In Study 3, body-dissatisfied women, but not body-satisfied women, were affected by both attractive models and nonmodels. Furthermore, in Study 4, it was body-dissatisfied women, rather than body-satisfied women, who evaluated themselves negatively after exposure to a thin (versus a fat) vase. The authors replicated this result in Study 5 by manipulating, instead of measuring, body dissatisfaction. Finally, Study 6 results suggested that body dissatisfaction increases proneness to social comparison effects because body dissatisfaction increases self-activation.

Adolescent↗

PubMed2006

The self salience model of other-to-self effects: integrating principles of self-enhancement, complementarity, and imitation.

In a series of studies the Self Salience Model of other-to-self effects is tested. This model posits that self-construal salience is an important determinant of whether other-to-self effects follow the principles of self-enhancement, imitation, or complementarity. Participants imagined interactions (Studies 1 and 2) or were confronted (Studies 3 to 5) with dominant, submissive, agreeable, or quarrelsome person targets. Findings support the prediction that subsequent self-evaluations (Studies 1 to 3) and behaviors (Studies 4 and 5) follow the principles of self-enhancement when the personal self is activated (contrast away from undesirable targets, assimilation toward desirable targets); the principles of complementarity when the relational self is activated (contrast on the dominant-submissive dimension, assimilation on the agreeable-quarrelsome dimension); and the principles of imitation when the collective self is activated (assimilation regardless of desirability or dimension).

Affect↗

PubMed2006

Different selves have different effects: self-activation and defensive social comparison.

Three studies show that different forms of self-activation have differential influences on the processing of social comparison information. Activating neutral self-conceptions results in defensive processing of threatening social comparison information (Study 1). Participants maintain favorable self-evaluations in the face of upward comparison and rate the upward target of comparison negatively. Activating positive self-conceptions results in non-defensive processing of threatening social comparison information (Study 2). Participants endorse negative self-evaluations following upward comparison and rate the upward target of comparison positively. Activating negative self-conceptions maximizes defensive processing of threatening social comparison information (Study 3). Participants maintain favorable self-evaluations in the face of upward comparison and rate both upward and downward targets of comparison negatively. These results are discussed in terms of their implications for strategies to maintain self-esteem in the face of threatening comparisons.

Adult↗

PubMed2005

We can do it: the interplay of construal orientation and social comparisons under threat.

The authors investigated how a collective self-construal orientation in combination with positive social comparisons "turns off" the negative effects of stereotype threat. Specifically, Experiment 1 demonstrated that stereotype threat led to increased accessibility of participants' collective self ("we"). Experiment 2 showed that this feeling of "we-ness" in the stereotype threat condition centered on the participants' stereotyped group membership and not on other important social groups (e.g., students). Experiment 3 indicated that in threat situations, when participants' collective self is accessible, positive social comparison information led to improved math test performance and less concern, whereas in nonthreat situations, when the collective self is less accessible, positive comparison information led to worse test performance and more concern. Our final experiment revealed that under stereotype threat, only those comparison targets who are competent in the relevant domain (math), rather than in domains unrelated to math (athletics), enhanced participants' math test performance.

Affect↗

PubMed2005

Competition, cooperation, and the effects of others on me.

Four studies were conducted to test the notion that whether one competes against or cooperates with a comparison target can serve as an important determinant of the direction (contrast or assimilation) of self-evaluative social comparison effects. In Study 1, cooperative-competitive orientation was treated as an individual difference variable, and it was shown that social comparison led to contrast for individuals with a more competitive orientation, whereas assimilation occurred for individuals with a more cooperative orientation. Study 2 replicated this result, treating cooperative-competitive orientation as a contextual variable. In Study 3, it was demonstrated that to obtain this pattern of results it is not necessary for perceivers to believe that they will be either competing or cooperating with the comparison target. Simply activating the relevant concepts is sufficient. The final studies demonstrated that competition activates a "difference" focus and cooperation activates a "similarity" focus.

Adult↗

PubMed2005

When less is more: the consequences of affective primacy for subliminal priming effects.

This research investigates the consequences of the notion that one can distinguish early-evaluative (when exposure is short) and late-descriptive reactions (when exposure is long) to subliminally primed trait concepts. In three studies, it was found that the evaluative effects instigated by short exposure to primed concepts were bigger than the evaluative + descriptive effects instigated by long exposure: Less is more. Only when exposure was short, target interpretations were accompanied by evaluative inferences (Studies 1 and 3). Similarly, only when exposure was short, descriptively inapplicable trait primes affected the interpretation of an ambiguous target (Studies 2 and 3).

Affect↗

PubMed2004

From seeing to being: subliminal social comparisons affect implicit and explicit self-evaluations.

The authors hypothesize that social comparisons can have automatic influences on self-perceptions. This was tested by determining whether subliminal exposure to comparison information influences implicit and explicit self-evaluation. Study 1 showed that subliminal exposure to social comparison information increased the accessibility of the self. Study 2 revealed that subliminal exposure to social comparison information resulted in a contrast effect on explicit self-evaluation. Study 3 showed that subliminal exposure to social comparison information affects self-evaluations more easily than it affects mood or evaluations of other people. Studies 4 and 5 replicated these self-evaluation effects and extended them to implicit measures. Study 6 showed that automatic comparisons are responsive to a person's perceptual needs, such that they only occur when people are uncertain about themselves. Implications for theories of social cognition, judgment, and comparison are discussed.

Affect↗

PubMed2004

Reaction in action: intergroup contrast in automatic behavior.

Whereas previous research has shown automatic behavior conforming to outgroup stereotypes, the authors demonstrate automatic behavioral contrast away from a stereotype/trait associated with an outgroup (Study 1 and 2) and point to the importance of an "us-them" intergroup comparison in this process. In Study 1, participants colored pictures more messily when neatness was associated with an outgroup rather than the ingroup. In Study 2, using a different behavior, participants primed with busy business people reacted faster than controls (assimilation) but became slower when their student ingroup identity was activated (contrast). Subliminally priming an "us-them" intergroup comparison set undermined the accessibility of outgroup stereotypic words (Study 3), especially for those higher in prejudice (Study 4). This suggests that people automatically distance themselves from outgroup attributes when intergroup antagonism is cued or chronic. Implications for the role of self and comparison processes in automatic behavior are discussed.

Attitude↗

PubMed2002

The effects of diffuse and distinct affect.

In a series of suboptimal priming studies, it was shown that both affective and nonaffective reactions to a stimulus may occur without awareness. Moreover, it was demonstrated that affective information is detected earlier than nonaffective information. Therefore, early reactions to an affect-laden stimulus (e.g., a smiling man) are cognitively unappraised and thus diffuse (e.g., "positive"), whereas later affective reactions can be more specific and distinct (e.g., "a smiling man"). Through variations of prime exposure (extremely short, moderately short) the impact of early diffuse and late distinct affect on judgment was investigated. Findings show that distinctness (and prime-target similarity) is an essential determinant of whether the effect of affect is null, assimilation, or contrast. Furthermore, whether affect priming activates diffuse or distinct reactions is a matter of a fraction of seconds.

Affect↗