Although the clinical diagnosis of trichotillomania has been observed for more than a century, not until the last decade has there been a focus on this diagnosis in early childhood. This small case series focuses on the clinical evaluation of 10 toddlers, average of 26 mo., presenting at a specialty child and adolescent psychiatry clinic with hair pulling. Authors suggest that hair pulling in this age group might better be conceptualized as an anxiety disorder.

The Adolescent Reinforcement Survey Schedule (ARSS) was administered to a sample of male and female late adolescent college students from Japan (N = 500). The responses to the ARSS are factor analyzed using a principal component method. The results of the factor‐analyzed ARSS from the Japanese sample are compared and contrasted with the results from a previous study (Holmes et al., 1987) in which ARSS was administered to a sample of American male and female college students (N = 231). Both the American and Japanese samples produced 10 interpretable factors. A recommendation is made to replicate the present study with groups of early and mid‐adolescents in each culture in order to study shifts in reinforcers during different periods of adolescent development.

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This guided bibliography of 122 articles on selective mutism covers nearly all of the English language publications on the topic. Index Medicus and Psychological Abstracts were the major source documents for the citations.