Preserved spatial memory over brief intervals in older adults

Two studies compared young and older adults' memory for location information after brief intervals. Experiment 1 found that accuracy of intentional spatial memory for individual locations was similar in young and older participants for set sizes of 3 and 6. Both groups also encoded individual locations in relation to the larger configuration of locations. Experiment 2 showed that like young adults, older adults' latency to respond to a test probe in a letter working memory task was negatively influenced by spatial information that was irrelevant to the task. This interference effect indicated preserved incidental memory for spatial information in older adults. Together, these data suggest that initial encoding of spatial information for relatively small numbers of items is largely preserved in healthy older adults and that representations of spatial information persist over short intervals.     

Levels of abstraction in orangutan (Pongo abelii) categorization

Levels of abstraction have rarely been manipulated in studies of natural concept formation in nonhumans. Isolated examples have indicated that animals, relative to humans, may learn concepts at varying levels of abstraction with differential ease. The ability of 6 orangutans (Pongo abelii) of various ages to make natural concept discriminations at 3 levels of abstraction was therefore investigated. The orangutans were rewarded for selecting photos of orangutans instead of humans and other primates (concrete level), primates instead of other animals (intermediate level), and animals instead of nonanimals (abstract level) in a 2-choice touch screen procedure. The results suggest that, like a gorilla (Gorilla gorilla gorilla) tested previously (Vonk & MacDonald, 2002), orangutans can learn concepts at each level of abstraction, and unlike other nonhumans, most of these subjects rapidly learned the intermediate level discrimination.     

Effectiveness of training in organizations: a meta-analysis of design and evaluation features

The authors used meta-analytic procedures to examine the relationship between specified training design and evaluation features and the effectiveness of training in organizations. Results of the meta-analysis revealed training effectiveness sample-weighted mean ds of 0.60 (k = 15, N = 936) for reaction criteria, 0.63 (k = 234, N = 15,014) for learning criteria, 0.62 (k = 122, N = 15,627) for behavioral criteria, and 0.62 (k = 26, N = 1,748) for results criteria. These results suggest a medium to large effect size for organizational training. In addition, the training method used, the skill or task characteristic trained, and the choice of evaluation criteria were related to the effectiveness of training programs. Limitations of the study along with suggestions for future research are discussed.     

Memory enhancement for emotional words: Are emotional words more vividly remembered than neutral words?

Individuals are more likely to remember negative information than neutral information. In the experiments reported here, we examined whether individuals were also more likely to remember details of the presentation of negative words, as compared with neutral words. In Experiment 1, the remember-know procedure was used to examine the effect of emotion on the vividness of an individual's memory, showing that remember responses were more frequently assigned to negative words than neutral words. In Experiment 2, a source memory paradigm was used, and again, evidence that individuals' memories were more detailed for negative than for neutral words was found. In Experiments 3-6, we examined the relative contribution of valence and arousal, finding that both dimensions increased the vividness of remembered information (i.e., items with valence only and those that elicited arousal were better remembered than neutral information) but that the effect was greater for words that evoked arousal than for those with valence only. The results support a qualitative, as well as a quantitative, memory benefit for emotional, as compared with neutral, words.     

Psychoeducation and managed care: Clinical issues for the 1990s

Managed care has challenged mental health professionals to develop more efficient ways of addressing patient care needs. Psychoeducational programs, for patients and their families, have emerged as a medium by which relevant education and mutual support can be provided to participants. A review of the literature, a comprehensive model of psychoeducation, and the advantages of such models within the managed care program are offered. Also addressed are issues and import, treatment and research considerations.     

Competition and recency in a hybrid network model of syntactic disambiguation

The competitive attachment model of human parsing is a hybrid connectionist architecture consisting of a distributed feature passing method for establishing syntactic relations within the network, and a numeric competition mechanism for resolving ambiguities, which applies to all syntactic relations. Because the approach employs a uniform mechanism for establishing syntactic relations, and a single competition mechanism for disambiguation, the model can capture general behaviors of the human parser that hold across a range of syntactic constructions. In particular, attachment and binding relations are similarly processed and are therefore subject to the very same influences of disambuguation and processing over time. An important influence on the competitive disambiguation process is distance within the network. Decay of numeric activation, along with distributed feature passing through the network structure, has an unavoidable effect on the outcome of attachment and binding competitions. Inherent properties of the model thus lead to a principled explanation of recency effects in the human parsing of both attachment and filler/gap ambiguities.     

Family management of childhood diabetes

This paper reviews the available literature on family management of childhood diabetes and highlights gaps in the current knowledge base. Four aspects of family management of childhood diabetes are discussed: coping (how the family adjusts to living with a child who has diabetes), compliance (how the family manages the child's diabetes on a daily basis), communication (how the family learns from interactions with the health provider), and context (how the family environment sets the stage for managing diabetes).     

Ending social encouters

Certain classes of verbal behavior—content summary statements (S_c); affective summary statements (S_a); continuity (C), justification (J), and well-wishing (W) statements; and statements of positive affect (P)—were hypothesized to be constituents of interpersonal endings. These statements are shown to increase during the terminal phase of a social encounter as a function of whether the conversation is between friends or strangers and whether it is structured or unstructured. A hypothesis concerning the sequence in which these five classes of statements will occur during the ending of an interaction, namely, [S_c] → [J] → [_Sa^P] → [C] → [W], is tested and confirmed.     

Why researchers don't study women: The responses of 62 researchers

Sixty-two researchers accounting for 64 single-sex studies that appeared in 1970 1971 issues of the Journal of Personality and Social Psychology reported why they had limited their studies to a single sex and why they had preferred either males or females for their studies. Also, articles and abstracts were read as a way of checking researchers' reporting practices. The replies were analyzed for thematic content and formed three major types: scientific (56%), practical (28%), and extrascientific (15%). The responses helped to explain why there has been an imbalance in psychology which led to the study of men rather than women instead of the exploration of both sexes. Sggestions are offered to help counteract this trend in future psychological research and reporting.     

Personality and resistance to illness

Personality was found significantly to mitigate the illness-provoking effects of stressful life events. Two groups of executives had comparably high degrees of stress over a 3-year interval, as measured by the Holmes and Rahe Schedule of Recent Life Events. One group (n = 86) suffered high stress without falling ill, while the other (n = 75) reported becoming sick after their encounter with stressful life events. Illness was measured by the Wyler, Masuda, and Holmes Seriousness of Illness Survey. Discriminant function analysis supported the prediction that high stress/low illness executives show, by comparison with high stress/high illness executives, more control, commitment, and interest in change as a challenge.