THE CONCEPT OF DYNAMIC CRITERIA: A CRITICAL REANALYSIS

Discussions of "the criterion problem" stress the assumedly frequent incidence of dynamic criteria. However, different concepts of dynamic criteria have not been distinguished. Three views of dynamic criteria are clarified in this paper. These are dynamic criteria conceptualized as (a) changes in group average performance over time, (b) changes in validity over time, and (c) changes in the rank-ordering of scores on the criterion over time. The evidence cited for each concept of dynamic criteria is critically analyzed and submitted to significance tests. The results of analyses of 735 r 's and 532 paired r 's across time from studies pertinent to dynamic criteria are reported. It is concluded that dynamic criteria are rare phenomena, with the significant changes found in key studies explainable by methodological artifacts. Though many sources suggest that dynamic criteria have dire consequences for the overall selection process, we argue that the phenomena have been over-emphasized in the literature, and that practitioners' concern should focus instead on removing sources of criterion unreliability.     

THE ROLE OF INITIAL CONVERSATIONS IN DETERMINING ATTRACTION TO SIMILAR AND DISSIMILAR STRANGERS

The present study focused on identifying the independent and conjoint influence of attitude similarity and initial interaction on interpersonal attraction to relative strangers. Participants were informed they would be working on a project with either an attitudinally similar or an attitudinally dissimilar stranger. Half of the participants next engaged in an initial interaction with their partner and the other half did not. All participants then filled out a scale that included a measure of interpersonal attraction. Results indicated that the conjoint, nonadditive effects of attitude similarity and initial interaction overrode the significant main effects of these variables. Although attitudinally similar noninteractants were more attracted to their partners than dissimilar noninteractants, no differences in attraction were observed among similar and dissimilar interactants. Dissimilar interactants were more attracted to their partners than dissimilar noninteractants, but no differences in attraction were observed between similar interactanls and noninteractants.     

DECEPTION AND AROUSAL

This study tested a physiologically based arousal theory of deceptive communication. The sympathetic activation (skin resistance) of three groups of communicators was monitored. Two of the groups, deceivers and unaroused truth tellers, paralleled the types of communicators used in earlier deception studies; and a third group, aroused truth tellers, was exposed to a noise stimulus to raise their sympathetic activation to a level comparable to deceivers. Comparison of the behavioral differences between comparably aroused deceivers and truth tellers made it possible to identify the cues unique to deception-induced arousal. Results confirmed that deceivers experienced significantly greater sympathetic activation than unaroused truth tellers. Six verbal and nonverbal behaviors reliably distinguished deceivers from unaroused truth tellers, and, most important, these same six behaviors reliably distinguished deceivers from aroused truth tellers.     

Trust,Testimony, and Prejudice in the Credibility Economy

In this paper I argue for a special kind of injustice I call “trust injustice.” Taking Miranda Fricker's work on epistemic injustice as my starting point, I argue that there are some ethical constraints on trust relationships. If I am right about this, then we sometimes have duties to maintain trust relationships that are independent of the social roles we play.