People's naive understandings of their close relationships: Attributional and personal construct perspectives

In this paper, similarities and differences between attribution theory and personal construct theory are described. In comparing these theories, account making is used as an illustrative phenomenon to show major points of similarity and divergence in possible interpretation. Attribution theory basically involves a focus on the situational determinants of thought and behavior, whereas personal construct theory involves an idiographic approach to human thought and action. Despite this fundamental difference, the two theoretical positions are similar in key ways, including original emphases on people's naive understandings. Major aspects of the construal process as articulated by George Kelly for personal construct theory and the interpretative process as posited by Fritz Heider are similar, it is concluded that scholars from both theoretical persuasions would profit from a closer examination of this interface and of how account making as a natural human reaction to stressful situations reveals interesting areas of overlap for conceptual and empirical exploration.     

Effects of Data Noise on Statistical Judgement

People made forecasts from graphically presented time series. Series were sinusoids overlaid by a zero or positive linear trend and a zero, low, moderate, or high level of noise. Forecasting performance was affected by both these variables. However, it did not correlate with ability to identify the trend and correlated significantly with ability to detect the sinusoidal pattern only when series were noise-free. A second experiment showed that the effect of data noise was not influenced by the number of forecasts that people made from a series. These findings are consistent with the view that data noise does not affect the way that forecasts are made but that it impairs them for two reasons. First, it renders the anchor-and-adjust heuristics underlying them less effective. Second, it causes people to add more noise to their judgements in their attempts to make them representative of the data.     

Lay Understandings of Sex/Gender and Genetics: A Methodology That Preserves Polyvocal Coder Input

Lay understandings of the role of heredity and genetics in the production of human sex may be important in perceptions of the relative similarity and difference of men and women and therefore of the appropriateness of behaviors or social policies. We employed 17 focus groups segregated by gender and ethnicity (43 European American and 39 African American) to assess lay understandings of genetics and biological sex. To ensure the inclusion of multiple perspectives in results, we developed and applied a methodology we call “polyvocal coding.” Results show uneven incorporation of basic genetics, with substantial diversity of alternative understandings, especially with regard to sexual orientation. Different individuals, including both coders and participants, may interpret the same information about sex chromosomal inheritance as a fundamental quality of individual identity that constitutes essential and significant difference or as a component with limited impact on each person.     

The stroop effect: Failure to focus attention or failure to maintain focusing?

Subjects matched the position (high or low) of a first stimulus with either the position or the meaning of a word (HI or LO) presented after an interstimulus interval (ISI). The form of the first stimulus (X or O) varied randomly within trial blocks and specified the relevant feature (meaning or position) of the second stimulus to the subject. When the relevant feature was meaning, Stroop interference from the second stimulus position was observed. This interference decreased as ISI increased. At the longest ISI, it was eliminated completely. A number of explanations for these effects are discussed and then tested in two further matching experiments. In a fourth experiment a similar decrease in interference was observed. These reductions in interference with increase in ISI appear to represent the development of attentional focusing on the relevant feature of the second stimulus. Stroop interference may occur in experiments where the relevant attribute is constant because of a difficulty associated with repeated focusing on the same attribute.     

I thought that I heard you laughing: Contextual facial expressions modulate the perception of authentic laughter and crying

It is well established that categorising the emotional content of facial expressions may differ depending on contextual information. Whether this malleability is observed in the auditory domain and in genuine emotion expressions is poorly explored. We examined the perception of authentic laughter and crying in the context of happy, neutral and sad facial expressions. Participants rated the vocalisations on separate unipolar scales of happiness and sadness and on arousal. Although they were instructed to focus exclusively on the vocalisations, consistent context effects were found: For both laughter and crying, emotion judgements were shifted towards the information expressed by the face. These modulations were independent of response latencies and were larger for more emotionally ambiguous vocalisations. No effects of context were found for arousal ratings. These findings suggest that the automatic encoding of contextual information during emotion perception generalises across modalities, to purely non-verbal vocalisations, and is not confined to acted expressions.     

Effects of morphine and naloxone upon the reactions of rats to a heat stressor

Five experiments used rats to examine the conditioned hypoalgesia induced by exposure to a heated floor. Experiments 1 and 2 demonstrated that this hypoalgesia is mediated by non-opioid mechanisms of pain control, as evidenced by insensitivity to the opioid antagonist naloxone and by the absence of cross-tolerance with the opioid agonist morphine. Although non-opioid in nature, the acquisition of conditioned hypoalgesia was facilitated by naloxone and impaired by morphine (Experiments 3 and 4). These effects did not appear to be due to an opioid regulation of pain. (1) Pairing morphine with the heated floor attenuated acquisition in drug-tolerant rats. (2) This attenuation by morphine was removed when naloxone was given after exposure to the heated floor. (3) Conditioning was facilitated when naloxone was given after exposure to the heated floor (Experiment 5). The results were discussed in terms of an opioid regulation of (a) surprise, (b) arousal of an aversive motivational system, and (c) the affective component of pain.