15 Psychologie
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In numerical processing, the functional role of Spatial-Numerical Associations (SNAs, such as the association of smaller numbers with left space and larger numbers with right space, the Mental Number Line hypothesis) is debated. Most studies demonstrate SNAs with lateralized responses, and there is little evidence that SNAs appear when no response is required. We recorded passive holding grip forces in no-go trials during number processing. In Experiment 1, participants performed a surface numerical decision task (“Is it a number or a letter?”). In Experiment 2, we used a deeper semantic task (“Is this number larger or smaller than five?”). Despite instruction to keep their grip force constant, participants' spontaneous grip force changed in both experiments: Smaller numbers led to larger force increase in the left than in the right hand in the numerical decision task (500–700 ms after stimulus onset). In the semantic task, smaller numbers again led to larger force increase in the left hand, and larger numbers increased the right-hand holding force. This effect appeared earlier (180 ms) and lasted longer (until 580 ms after stimulus onset). This is the first demonstration of SNAs with passive holding force. Our result suggests that (1) explicit motor response is not a prerequisite for SNAs to appear, and (2) the timing and strength of SNAs are task-dependent. (216 words).
Adolescents growing up in culturally diverse societies need to develop intercultural competence. To better understand how to develop intercultural competence we need measures specifically relating to the everyday intercultural experiences of adolescents. However, few measures of intercultural competence are available for this target group. Based on the cultural intelligence (CQ) model (Earley & Ang, 2003), we developed a measure that combines a self-report questionnaire and situational judgment tests (SJTs). The latter comprise a brief description of intercultural situations, followed by questions asking the adolescents to interpret and provide a reaction to the situations. The reliability, factor structure, measurement equivalence, and validity of the new measure was tested in two samples of adolescents in culturally diverse regions in North Rhine-Westphalia (N = 631, 48% female, M-a(ge) = 13.69 years, SDage = 1.83) and Berlin (N = 1,335, 48% female, M-age = 14.69 years, SDage, = 0.74) in Germany. The self-report CQ scale showed good reliability and a four-dimensional factor structure with a higher-order CQ factor. The responses to the SJTs were coded based on a coding manual and the ratings loaded onto one factor. The measurement models showed metric to scalar measurement equivalence across immigrant background, gender, and grade. The CQ factor and the SJT factor were positively correlated with each other, as well as with related constructs such as openness, perspective-taking, and diversity beliefs. We conclude that the new measure offers a reliable and valid method to assess the intercultural competence of adolescents growing up in culturally diverse societies.
I Can See It in Your Face.
(2019)
The purpose of this study was to illustrate that people’s affective valuation of exercise can be identified in their faces. The study was conducted with a software for automatic facial expression analysis and it involved testing the hypothesis that positive or negative affective valuation occurs spontaneously when people are reminded of exercise. We created a task similar to an emotional Stroop task, in which participants responded to exercise-related and control stimuli with a positive or negative facial expression (smile or frown) depending on whether the photo was presented upright or tilted. We further asked participants how much time they would normally spend for physical exercise, because we assumed that the affective valuation of those who exercise more would be more positive. Based on the data of 86 participants, regression analysis revealed that those who reported less exercise and a more negative reflective evaluation of exercise initiated negative facial expressions on exercise-related stimuli significantly faster than those who reported exercising more often. No significant effect was observed for smile responses. We suspect that responding with a smile to exercise-related stimuli was the congruent response for the majority of our participants, so that for them no Stroop interference occurred in the exercise-related condition. This study suggests that immediate negative affective reactions to exercise-related stimuli result from a postconscious automatic process and can be detected in the study participants’ faces. It furthermore illustrates how methodological paradigms from social–cognition research (here: the emotional Stroop paradigm) can be adapted to collect and analyze biometric data for the investigation of exercisers’ and non-exercisers’ automatic valuations of exercise.