Social and moral norm differences among Portuguese 1st and 6th year medical students towards their intention to comply with hand hygiene

This study examines social and moral norms towards the intention to comply with hand hygiene among Portuguese medical students from 1st and 6th years (N = 175; 121 from the 1st year, 54 from the 6th year). The study extended the theory of planned behaviour theoretical principles and hypothesised that both subjective and moral norms will be the best predictors of 1st and 6th year medical students' intention to comply with hand hygiene; however, these predictors ability to explain intention variance will change according to medical students' school year. Results indicated that the subjective norm, whose referent focuses on professors, is a relevant predictor of 1st year medical students' intention, while the subjective norm that emphasises the relevance of colleagues predicts the intentions of medical students from the 6th year. In terms of the moral norm, 6th year students' intention is better predicted by a norm that interferes with compliance; whereas intentions from 1st year students are better predicted by a norm that favours compliance. Implications of the findings highlight the importance of role models and mentors as key factors in teaching hand hygiene in medical undergraduate curricula.     

Virtual reality and acrophobia: one-year follow-up and case study.

We present a study with 10 subjects being exposed to three sessions of simulated heights in a virtual reality (VR) system. Among the participants we highlight a 66-year-old man blind in his left eye. The participants show significant progress in anxiety, avoidance, and behavior measurements when confronted with real height circumstances. The results obtained 1 year later at follow-up are statistically significant in the Behavioral Avoidance Test (BAT) and the Attitudes Toward Heights Questionnaire (ATHQ), but not the Acrophobia Questionnaire (AQ).     

The surreptitious observation design: an experimental paradigm for distinguishing artifact from essence in hypnosis

Administered a hypnotic induction and 5 standard hypnotic suggestions twice via audiotape to a group of high-hypnotizable subjects and a group of low-hypnotizable simulators. During the first administration, subjects were led to believe that they were alone. However, their behavior was surreptitiously recorded on videotape and observed on a video monitor. The second administration occurred in the presence of an experimenter who had not been informed of group assignment. When unaware that they were being observed, simulators were significantly less responsive to suggestions than they were when openly observed. In contrast, the behavior of nonsimulating subjects was not affected by the presence of an experimenter. These data indicate that the responses of highly hypnotizable subjects to standard hypnotic suggestions cannot be accounted for in terms of simple compliance with experimental demand.     

Constancy of individual exponents for inspired lung volume: a comment on Harver (1987)

In this paper we made two brief commentaries on Harver's (1987) experiment. The first comment is an observation on the growing area of respiratory psychophysics for which we prefer the name Behavioral Physiology. In the second comment it is suggested that the stable individual differences in the exponent of the psychophysical power law reported by Harver may be an artifact of the psychophysical method employed: category production.     

Scales for perceived egocentric distance in a large open field: comparison of three psychophysical methods

Scales for perceived egocentric distance produced by three psychophysical methods in four ranges of distances were compared. It was found that (a) the exponents produced by ratio and fractionation methods are in good agreement; (b) the exponents of both these methods were larger than those produced by magnitude estimation; (c) an increase in range of distance was associated with a decrease in exponent, but this diminution seems to interact with the method used; (d) for all the psychophysical methods used, there was large variability in the individual exponent; (e) the exponent was smaller than 1.0 for approximately 78% of the pooled sample, with all adult observers (N = 612) considered; and (f) an arithmetic mean exponent equal to 0.90 represents fairly all the results obtained.     

Buddhist psychology: A review of theory and practice

This paper gives an account of some of the major aspects of Buddhist psychology. The survey is confined to the texts of Early, or Theravada, Buddhism — that is, the canonical texts and their early Pali commentaries and related expository texts. The importance of psychological concepts in the philosophy and practice of Buddhism is highlighted. The problems inherent in the study of Buddhist psychology are discussed, including the problem of translation and interpretation. The paper then describes and analyzes several key Early Buddhist psychological notions including: basic drives that motivate behavior, perception and cognition, consciousness, personal development and enlightenment, meditation, and behavior change. The relationship between theory and practice in Buddhist psychology is commented on, with special reference to meditative techniques and other behavior change strategies. Finally, comments are made on the possible interaction between Buddhist and modern psychology. An earlier version of this paper was presented at the Annual Conference of the British Psychological Society, St. Andrews, April, 1989.     

Human food aversions: Nature and acquisition

This paper reports a two-stage investigation of human food aversions. A questionnaire survey was carried out with a sample of normal adults, followed by an interview study of a sub-sample of the positive respondents. Data on frequency, strength, avoidance, modality, content, duration, age of acquisition, mode of acquisition, and generalization are reported. Observations are made on the similarities between those aversions that fit the definition of conditioned food aversions, and those that do not. Implications for future research are discussed, and the need for the study of the whole range of human food aversions is emphasized.     

The spontaneous decay of compulsive urges

An experiment was carried out on eleven obsessional patients who complained of compulsive checking rituals. Exposure to a provoking situation produced marked anxiety/discomfort and strong urges to check. With minor exceptions, execution of the appropriate ritual was followed by marked decreases in anxiety/discomfort and urges. The results were interpreted as being consistent with an anxiety/discomfort reduction hypothesis.

The spontaneous decay of anxiety/discomfort and urges was observed during a 3-hr response-prevention period. The greatest part of the discomfort and compulsive urges dissipated within an hour. Discomfort scores and urges ran a closely parallel course. Few resurgences of discomfort or urges were observed during the 3-hr observation period, and there was little sign of displacement checking activity.     

Changes in Behaviour and Body Weight Following a Single or Double Social Defeat in Rats

In a series of experiments, the consequences of a single and double social conflict on various behaviours and body weight in rats were studied. Animals were subjected to social defeat by placing them into the territory of an aggressive male conspecific for one hour, either once, or twice at the same time on two consecutive days. To assess the consequences of social defeat, three experiments were performed with independent groups of rats. In the first experiment, an open field test was performed two days after the last conflict. Locomotor activity was strongly reduced after social defeat. There were no differences between the single and double defeat group. To assess the effects of social defeat on subsequent social behaviour, a second experiment was performed in which experimental animals were confronted with an unfamiliar non-aggressive rat two days after a single or double conflict. Social defeat resulted in a reduction of social contact with the unfamiliar conspecific. There was no difference between the single and double conflict group. In the third experiment, the effects of social conflict on food intake, body weight and saccharine preference were measured. Food intake was not affected after a single conflict, but in the double conflict group food intake was decreased for several days. Body weight gain was decreased after both single and double social defeat. The decrease was stronger in the double conflict group. Water intake and saccharine preference were not significantly affected. This study revealed that social defeat in rats causes pronounced changes in various behaviours and body weight. Different aspects of behaviour are differentially affected by defeat with respect to the magnitude and time course of the changes induced. Moreover, different behavioural parameters are differentially sensitive to repetition of the stressor.