Many students struggle with statistical concepts such as interaction. In an experimental group, participants took a paper-and-pencil test and then were given training to establish equivalent classes containing four different statistical interactions. All participants formed the equivalence classes and showed maintenance when probes contained novel…

The study reported here evaluates the effectiveness of performing psychotherapy by means of written communication between client and psychotherapist--a technique that could make assistance available to individuals who are isolated from traditional methods of psychological treatment by psychological or physical barriers. (Author)

The purpose of the two present studies is to ascertain whether differential acceptance of the same general personality interpretation resulted as a function of telling seperate groups of individuals that their interpretation was based on a projective test, an interview, an objective test, or was "generally true of people." (Author)

This four-year longitudinal study explored the utility of a unidimensional schema based upon the concept of an implicit value system (Protestant ethic-hedonistic continuum) and found that the conceptual simplicity and utility of the model warranted consideration of its use over the more complex multidimensional approaches. (MJB)

Four studies analyzing body-rocking in individuals with mental retardation found: (1) rocking chairs are not necessarily preferred and produce higher amplitude rocking; (2) body-rocking characteristics were stable over a 21-month period; (3) when compared with body-rocking college students, persons with mental retardation engage in more…

The study investigated the generality of perceptual accuracy across persons and responses and also investigated the reliability of accuracy scores. Results support the concept of a global ability to perceive others. (Author)

Self-recording of behavior in behavior modification appears to be reactive, with the phenomenon having two components: actual changes in behavior as a function of self-recording and possible unreliability of self-observers. The present study was undertaken to differentially examine the reactivity and reliability of self-observations. (Author)