Sources of Resistance to Mergers Between Groups1

Workers involved in a business merger often display strong ingroup/outgroup biases that can threaten the merger's success. Social identity theory helps to explain why and when such problems will occur. Using that theory, strong cohesion and successful performance were identified as two characteristics of a workgroup that should increase its resistance to a merger. An experiment involving mergers between small task groups was conducted to test this claim. Each group's cohesion and performance was used to predict its enthusiasm for a merger before it occurred, and any ingroup/outgroup biases that it displayed afterwards. Cohesion was unrelated to either of these measures, but as we predicted, more successful groups were less enthusiastic and displayed stronger biases. Relative rather than absolute success was an especially good predictor of merger resistance. The results were discussed within the context of social identity theory, which generated several suggestions for further research on business mergers.     

A strong test of exposure effects

A strong test of exposure effects was made by eliminating confounding demand characteristics through the use of a between-subject design. Each subject viewed novel stimuli at a single frequency level, and then rated them on several affective scales. Frequency of stimulus exposure was systematically varied across subjects. Stimuli were rated more positively with increasing exposure, despite the fact that subjects were unaware of any differences in exposure frequencies, and clearly unable to identify the experimental hypothesis. An awareness of the relationship between repeated exposure and affect was thus shown to be an unnecessary condition for the occurrence of exposure effects.     

The Direct and Indirect Effects of Inadmissible Evidence1

College students (N= 270) assigned to six-person mock juries read summaries of a murder trial and then evaluated the defendant's guilt both before and after group discussion. The strength of the prosecution's case was manipulated, as was the inclusion of extra wiretapping evidence that favored the prosecution or the defense and was ruled admissible or inadmissible by the judge. Whether it favored the prosecution or the defense, inadmissible evidence directly biased subjects' reactions toward the defendant and indirectly biased their behaviors during the group discussions. None of these effects varied with the strength of the prosecution's case. The results also showed that the direct effects of inadmissible evidence were at least partially mediated by its indirect effects, suggesting that the process of deliberation can potentially help jurors to control the influence of inadmissible evidence on their decisions.     

Should a Naturalist Be a Supervenient Physicalist?

I clarify a widely accepted form of contemporary naturalism and argue that supervenient physicalism should not be considered an option for those who embrace this version of naturalism. Among other things, my thesis implies that if there are insuperable difficulties for strict physicalism, then the move toward supervenience views of the mind/body problem amounts to an abandonment of this version of naturalism and not a minor adjustment of it. More precisely, my argument is this: strict physicalism excludes both substance and property or event dualism. But the supervenience thesis entails some form of property or event dualism. So strict physicalism excludes the supervenience thesis. Moreover, given the nature of a widely accepted contemporary understanding of naturalism, it is best construed along strict physicalist lines and naturalists of this persuasion should not be supervenient physicalists. To make my case, I offer a characterization of a ubiquitous version of contemporary naturalism followed by an analysis of the most plausible version of supervenient physicalism consistent with this form of naturalism. I then try to show why this version of supervenient physicalism should not be an option for a naturalist of a certain persuasion.     

Age and change in the adult male sex role

The present paper proposes that the adult male sex role cannot be adequately understood without adopting a developmental perspective. The author reviews some of the current literature on the male sex role, summarizes Levinson's model of male adult personality development, and provides a reinterpretation of the mechanism by which men move into transition and stable periods. The paper concludes that men modify their conceptions of masculinity at a number of points throughout their adult years. These modifications result from dissonance created when their current concept of appropriate male behavior becomes too discrepant with age norms.     

Absolute and Relative Decision Processes in Eyewitness Identification

A prominent and long-standing theory of eyewitness identification decision making distinguishes between absolute judgments, based on the lineup members' match to the witness's memory of the perpetrator, versus relative judgments, based on match values relative to other lineup members. This distinction was implemented in a computational model and simulations showed that the model predicts an accuracy advantage for absolute judgments over relative judgments under some conditions. The present experiment tested this prediction by evaluating the accuracy of witnesses instructed to use relative or absolute rules. Contrary to predictions, the overall analysis did not show an absolute advantage. Additional exploratory analyses showed a relative advantage when the suspect was surrounded by high-similarity foils. These results are consistent with a model that assumes that side-by-side comparisons of lineup members increase diagnostic accuracy by allowing witnesses to give greater weight to more diagnostic features and less weight to less diagnostic features.     

From Intent to Enrollment,Attendance, and Participation in Preventive Parenting Groups

Applying the Theory of Planned Behavior (TPB) to the process of engagement in preventive parenting groups, we tested the ability of family and child measures to predict intent to enroll, enrollment, attendance, and quality of participation in PACE (Parenting Our Children to Excellence). PACE is a prevention trial testing the efficacy of a structured program to promote effective parenting and reduce risk of adverse child outcomes. Mothers of preschoolers (N=451) from diverse ethnic and socioeconomic backgrounds participated at two sites. Results showed that mothers who stated their intent to enroll reported relatively few time constraints but high levels of stress, as did mothers who enrolled. The latter also experienced elevated levels of oppositional defiant child behaviors, indicating that the program reached families who stood to benefit from it. Attendance, which was also best predicted by few time constraints, was high (with 49% of mothers who enrolled attending 5 or more of 8 sessions). In turn, attendance predicted quality of participation (at 1 site only), with mothers attending more sessions participating more actively and enthusiastically. Ethnicity and, with a few exceptions, socioeconomic circumstances and site, were not significant predictors of intent, enrollment, or attendance. Results provide qualified support for the TPB and illustrate its relevance to preventive research and interventions.     

Bidirectional Relationships Between Parenting Stress and Child Coping Competence: Findings From the Pace Study

The present study was designed to evaluate the bidirectional relationships between parenting stress and child coping competence. Data from a diverse sample of 610 parents enrolled in the parenting our children to excellence program was used to evaluate whether parenting stress negatively contributes to affective, achievement, and social coping competence in preschoolers, as well as whether child coping competence predicts parenting stress; after accounting for child disruptive behavior. Results from cross-lagged panel analyses demonstrated a bidirectional relationship, such that parenting stress predicted later child coping competence and child coping competence predicted later parenting stress. Assessment of ethnicity differences indicated that child coping continues to have a long-term impact on parenting stress, regardless of parent ethnicity. The same relationship did not hold for earlier parenting stress on later child coping competence, however, indicating a bidirectional relationship for African American families, but not for their European American counterparts. The relationship between parenting stress and child coping competence is discussed with respect to their conceptual and clinical implications. Suggestions for parent training intervention and prevention programs are given.     

Child and parental outcomes of a group parenting intervention for Latino families: A pilot study of the CANNE program

Criando a Nuestros Ni?os hacia el éxito (CANNE) is the Spanish adaptation of Parenting Our Children to Excellence (PACE). A pilot study conducted with 124 parents of preschoolers (mostly recent Mexican immigrants) provides preliminary evidence for the community acceptability and efficacy of CANNE. Eighty-eight of the 124 parents who enrolled in the program attended one or more of the 8 sessions (17% attended 1 session, 11% attended 2-4 sessions, and 72% attended 5 or more sessions), participated actively in sessions, and expressed high degrees of program satisfaction. Over time, parents improved on measures of harsh-inconsistent discipline, and children improved on social competence and social-communication skills. When high-versus-low attenders were compared, high attenders (parents who attended 4 sessions or more) reported greater increases than low attenders in their appropriate-positive parenting practices and clear expectations, and in their children's social competence and communication skills, and they reported greater decreases in their harsh-inconsistent discipline and in their children's aggressiveness and hyperactivity. Some of these changes were evident by the end of the program, whereas others became apparent (or stronger) over a 3-month follow-up period. These encouraging results point to the need for an efficacy study that assesses how well CANNE can help larger numbers of Latino parents in the important task of bringing up their young children in the United States.