The sounds of dominance.

A study was conducted to determine the effects of vocal cues on judgements of dominance in an interpersonal influence context. Physical measures of human vocal cues and participant ratings of dominance were obtained from videotapes of actors delivering short influence messages. After controlling for linguistic and visual content of messages, results indicated that mean amplitude and amplitude standard deviation were positively associated with dominance judgments, whereas speech rate was negatively associated with dominance judgments. An unexpected interaction revealed that mean fundamental frequency (F₀) was positively associated with dominance judgments for male speakers but not significantly associated with dominance judgments for female speakers. F₀ standard deviation was not significantly associated with dominance judgments. Results support the conclusion that dominance judgments are inferred from multiple sources of information and that some vocal markers of dominance are more influential than others.     

Differentiating insight from non-insight problems

This study aimed to investigate whether a range of tasks that have been generally classed as requiring insight form an empirically separable group of tasks distinct from tasks generally classed as non-insight. In this study, 24 insight tasks, 10 non-insight tasks, and tests of individual differences in cognitive abilities and working memory were administered to 60 participants. Cluster analysis of the problem-solving tasks indicated that the presumed insight problems did tend to cluster with other presumed insight problems, and similarly the presumed non-insight problems tended to cluster with other presumed non-insight tasks. Performance on presumed insight problems was particularly linked to measures of ideational flexibility with a different pattern of results for the non-insight tasks. Spatial insight problems were linked to spatial flexibility and verbal insight tasks were linked to vocabulary scores. The results are discussed in relation to recent developments of dual process theories of thinking.     

Sociotropy-dependency and autonomy as predictors of eating disturbance among Canadian female college students

The authors (a) tested the generalizability of A. Sugarman, D. Quinlan, and L. Devenis's (1982) psychodynamic account of eating disturbances, which posits that overt autonomy strivings associated with eating problems are a defense against unconscious dependency concerns, and (b) evaluated the degree to which autonomy and sociotropy had unique associations with eating disturbances. Canadian female college students (N= 286) completed self-report measures of autonomy, sociotropy, depression, and bulimia as well as the Rorschach Inkblot Test. Findings suggest, contrary to Sugarman and colleagues' psychodynamic account, that experiences of dependency related to self-reported eating pathology do not necessarily lie outside of conscious awareness. Moreover, reported bulimic symptoms were uniquely associated with sociotropy but not autonomy-self-criticism among the participants.