Graded semantic and phonological similarity effects in priming: evidence for a distributed connectionist approach to morphology

A considerable body of empirical and theoretical research suggests that morphological structure governs the representation of words in memory and that many words are decomposed into morphological components in processing. The authors investigated an alternative approach in which morphology arises from the interaction of semantic and phonological codes. A series of cross-modal lexical decision experiments shows that the magnitude of priming reflects the degree of semantic and phonological overlap between words. Crucially, moderately similar items produce intermediate facilitation (e.g., lately-late). This pattern is observed for word pairs exhibiting different types of morphological relationships, including suffixed-stem (e.g., teacher-teach), suffixed-suffixed (e.g., saintly-sainthood), and prefixed-stem pairs (preheat-heat). The results can be understood in terms of connectionist models that use distributed representations rather than discrete morphemes.     

Neuromotor Functioning and Behavior Problems in Children at Risk for Psychopathology

Previous studies have found that early neuromotor deficits may be a precursor of later psychopathology. The present study examined the relationship between neuromotor dysfunction and behavioral deviance in children characterized by a variety of risk factors (parental schizophrenia, parental psychiatric disorder other than schizophrenia, and parental maltreatment). The sample consisted of 108 children (average age 9.75 years) who were assessed twice, approximately 1 year apart. It was found that maltreated children had poorer neuromotor functioning and more behavior problems than children who were not maltreated, regardless of parental psychiatric status. The results also indicated that the relationship between neuromotor functioning and problem behaviors varied as a function of parental psychiatric status. These findings suggest that, although the effects of maltreatment are generalized and pervasive, there are distinctive relationships between neuromotor functioning and behavioral deviance depending on the nature of the risk factors a child has been exposed to.     

Variations in Self-Determination Across the Stages of Change for Exercise in Adults

This study explored the relationship between self-determination in the regulation of exercise behavior and stage of change for exercise. Deci and Ryan (1985, 1990) outlined a continuum of behavioral regulation that ranges from non-self-determined regulation (external regulation) to completely self-determined regulation (intrinsic regulation). Prochaska and DiClemente (1984) outlined five stages of behavior change that range from no thoughts of changing (precontemplation) to maintenance of change (maintenance). In our study, 314 individuals completed measures of regulation in exercise behavior and stage of change for exercise. Discriminant function analysis revealed that those in the latter stages of change were more self-determined in their behavioral regulation than those in the early stages of change. An analysis of variance indicated that self-determination increased from the lower to the upper stages of change. Results endorse the importance of motivational considerations in understanding the change process.     

The classification and integration of edges as critical to the perception of reflectance and illumination

A pattern of luminances equivalent to that of a traditional simultaneous lightness display (two equal gray squares, one on a white background and the other on an adjacent black background) was presented to observers under two conditions, and matches were obtained for both perceived reflectance and perceived illumination level of the squares and their backgrounds. In one condition, the edge dividing the two backgrounds was made to appear as the boundary between a white and a black surface, as in the traditional pattern. The squares then were perceived as almost the same shade of middle gray. In the other condition, a context was supplied that made the edge between the backgrounds appear as the boundary between two illumination levels, causing one square to appear black and the other white. These results were interpreted as a problem for local ratio theories, local edge theories, and lateral inhibition explanations of lightness constancy, but as support for the concepts of edge classification, edge integration, and the retinal image as a dual image.     

Correlates of depressed mood in normal children

Two instruments which have been proposed as measures of clinical depression in children and an ad hoc teacher rating were given to a group of 109 normal children. The Children's Depression Inventory (CDI), the Peer Nomination Inventory for Depression (PNID), and a teacher rating of depression were given along with the Conner s Teacher Rating Scale (TRS), teacher ratings of somatic complaints, peer popularity, and absenteeism, and peer ratings of popularity to examine the behavioral correlates of depressed mood in normal children. While few sex differences were found on mean depression scores, different patterns of correlations were found for the two sexes. For males, there were no significant correlations among the three depression measures, but all three depression measures were correlated with unpopularity and conduct problem ratings on the TRS. For females, the three depression measures were adequately intercorrelated. The teacher rating of depression was correlated with general deviance as measured by the TRS, but the CDI and PNID were correlated with TRS ratings of conduct problems, with peer ratings of unpopularity, and with teacher ratings of somatic complaints. Implications for the issue of the possible existence of a clinical syndrome of depression in children were discussed.     

Reply to Fishbein and Ajzen

The purpose of the Songer-Nocks study was clarified, and the relationship of the predictions and results to the theoretical formulations of Fishbein and Ajzen were discussed. Results from the model-testing procedure originally performed with behavior as the criterion were presented using behavioral intention as the criterion. The findings revealed that the interactive effect of prior experience with attitude toward the act in predicting behavioral intention was not significant, and that the interactive effect of motivational set with normative belief in predicting behavioral intention was significant. In addition, a regression analysis of the BI-B relationship was performed in which the design variables were incorporated as predictors. Results showed that the inclusion of design variables aided the prediction of behavior significantly. Songer-Nocks' data were interpreted as being consistent with the overall Fishbein formulation, but as suggesting certain potentially specifiable limitations in predicting actual behavior from attitudinal components.     

The effects of different types of retrieval cues on the recall of names of famous faces

The present study investigated the effects of cues on subjects’ abilities to retrieve the names of famous faces that they had previously been unable to recall. In Experiment 1 subjects were presented with a second photograph of the celebrity, or biographical information about the celebrity, or the celebrity’s initials. Each type of cue produced a quite different pattern of recall. Biographical information was least likely to elicit the name when the subject already knew the celebrity’s occupation, and most likely when subjects found the face familiar only. Conversely, initials were more likely to elicit the name when the occupation was already known than when the face was at first found unfamiliar or familiar only. Rather surprisingly, no significant differences were observed when a new photograph was used as a cue. In Experiment 2, the effects of a new photograph were compared with a condition in which the same photograph was presented twice. A new photograph was beneficial when subjects had previously found the face unfamiliar and when they found the face familiar only, but not when they knew the occupation. It is argued that these, as well as other aspects of the results, generally support the view that successive, but distinct stages are involved in face recognition, consistent with the model put forward by Bruce and Young (1986).     

The efficacy of rational-emotive group therapy in psychiatric inpatients

The impact of rational-emotive theory and therapy upon the practice of clinical psychology has been profound, and many purportedly objective experimental tests of its efficacy as a mode of treatment have been reported. Yet the great majority of these reports have failed to utilize actual clinical populations. This study evaluated rational-emotive group therapy with psychiatric inpatients. Results supported the claim that irrational beliefs are related to emotional disturbance. It was also shown that patients undergoing rational-emotive group therapy changed their self-reported irrational beliefs more than did a control group. Finally, there was a trend for the experimental subjects to be more likely to have been discharged from the hospital during the 90-day follow-up period than were control subjects. However, this study failed to demonstrate that change in irrational beliefs was related to improvement in psychiatric symptoms or rates of discharge from the hospital. Some of the difficulties in conducting treatment evaluation research in a psychiatric hospital setting are discussed with respect to these results.