The role of experimenter-odor cues in the performance of object-memory tasks by rats

Two experiments assessed whether odors left on stimulus objects by experimenters who handle them might confound the interpretation of ostensibly visually guided object-memory tasks for rats. In Experiment 1, rats were able to discriminate the relative recency with which an experimenter touched two otherwise identical objects (intertouch interval = 4 sec), presumably on the basis of an odorintensity discrimination. However, after the rats mastered the odor discrimination with no delay between when the second of the two stimulus objects was last touched by the experimenter and when the rats were permitted to attempt the discrimination, their performance dropped to chance levels when this delay was increased to 15 sec. In Experiment 2, rats were trained in two slightly different ways to perform a delayed-nonmatching-to-sample (DNMS) task, one that involved systematic differences in the temporal order in which the experimenter handled the sample and novel stimulus objects and one that did not. There were no significant differences in the rate at which rats mastered the DNMS task with these two procedures, and the performance of rats that were trained according to the former procedure was unaffected when they were switched to the latter procedure. Moreover, rats required considerably fewer trials to master the DNMS task than the rats in Experiment 1 required to master the odor discrimination. These findings demonstrate that, under certain circumstances, rats can discriminate the relative recency with which two objects are handled by an experimenter, but that this ability contributes little to their performance of conventional object-based DNMS tasks.     

The immediate and longer‐term effectiveness of a speech‐rhythm‐based reading intervention for beginning readers

Despite empirical evidence of a relationship between sensitivity to speech rhythm and reading, there have been few studies that have examined the impact of rhythmic training on reading attainment, and no intervention study has focused on speech rhythm sensitivity specifically to enhance reading skills. Seventy‐three typically developing 4‐ to 5‐year‐old children were randomly allocated to one of three treatment groups and received a speech‐rhythm‐based intervention, a phonological‐awareness‐based intervention, or a control intervention over 10 weeks. All children completed pre‐test, post‐test and delayed post‐test measures of speech rhythm sensitivity, single‐word reading, phonological awareness and vocabulary. The results show that it is possible to train speech rhythm sensitivity in this age group and that children who undertook the speech rhythm intervention showed a significant improvement in their word reading performance compared to children in the control group. Group differences were maintained 3 months later.     

Books received

This is the third installment in a continuing series of foreign area bibliographies edited by Dr. John Lent of Temple University's School of Communications and Theater. The first, on Asian media information sources, appeared in 19:321-340 (Summer 1975), and the second, on Caribbean mass communications in 20:111-125 (Winter 1976). The compiler of the present installment is a member of Temple University's radio-TV-film faculty and is author/editor of Broadcasting in Africa (1974) and Broadcasting in America (1976). In 1976-77 he will undertake teaching duties in Ghana on a Fulbright fellowship.     

Communication and relational culture: Bases for the study of human relationships

This article elaborates two concepts centrally important in the study of human relationships: communication and relational culture. Communication is represented as a formative process which constitutes, defines and disassembles relationships. Arising out of communication is relational culture, a privately transacted system of discourse and definition that coordinates attitudes, actions, and identities of partners in a relationship. These two concepts are used to define states of relationship which represent both stages and types of human relationships. For each state, communicative processes and functions are identified and attention is devoted to the impact of communication in moving partners toward or away from a binding relational culture.     

WOMEN AND RETIREMENT: EVOLVING ISSUES FOR FUTURE RESEARCH AND EDUCATION INTERVENTION

Until recent years, occupational retirement was perceived primarily as a male life transition process. Women now comprise a major population experiencing active, long‐term involvement in occupational roles and facing significant concerns in their transition from work to retirement.

This article provides an examination of the current status of research regarding women and retirement and discusses multiple issues that surround the aging woman and her relationship to the retirement process. Key orientations are discussed in relation to conceptualizing and shaping future preretirement educational programming alternatives.