Affect and retrieval of personal memories

The relationship of pleasantness and intensity of affect to retrieval of reallife experiences was investigated in three experiments. Subjects reported the first specific personal experience that came to mind for a series of prompt words. Latency of report was regarded as a measure of memory accessibility. The first study compared retrieval time for prompts that sampled affects varying in pleasantness and intensity. Experiments II and III assessed the possible contributions of demand characteristics and implicit inferential processes to retrospective judgments of feelings. Judgments of the intensity of feeling engendered when the events occurred were inversely related to report latency. Results support the conclusion that intensity ratings were reliable indices of memory information rather than inferences or reconstructions mediated by report latency. Other characteristics of recollections such as pleasantness, recency, or relative frequency of the specific affects were not correlated with report latency. Two explanations of the findings are considered: an arousal hypothesis and an extent-of-processing hypothesis. The latter provides the most adequate account and relates the present findings to a more general theory of memory processes. The results are also relevant to investigations of mood-dependent retrieval.This is an expanded version of a paper presented in the Symposium on Naturally Occurring Memories, at the meeting of the American Psychological Association, Toronto, August 1978.     

Formal assessment of problem-solving and planning processes in preschool children

While much is known about adult problem-solving, the materials, analyses, and theoretical issues from the adult literature rarely make contact with the tasks typically used to investigate children's thinking. This paper examines the behavior of 4-, 5-, and 6-year-old children attempting to solve a novel variant of the Tower of Hanoi task. Problems varied in difficulty (one to seven moves for the minimum path solution) and in goal type: tower (all objects on one peg) or flat (all pegs occupied). For each problem, children gave verbal statements of their complete solution plan. The Plan Analysis examined performance as a function of goal type and age. Better performance was observed for tower ending problems, and among older children. The Error Analysis revealed that specific error propensities were related to both age and goal type. The Strategic Analysis compared the first move profiles of 6-year-olds to those of several plausible move selection models, and a high degree of correspondence was obtained between specific models and individual children. Young children appear to have rudimentary forms of many of the problem-solving processes previously identified in adults, but they may differ in encoding and representational processes.     

A more powerful method for testing for agreement between a judge and a known standard

We assume that a judge's task is to categorize each ofN subjects into one ofr known classes. The design of primary interest is employed if the judge is presented withs groups, each containingr subjects, such that each group of sizer consists of exactly one subject of each of ther types. The probability distribution for the total number of correct choices is developed and used to test the null hypothesis that the judge is guessing in favor of the alternative that he or she is operating at a better than chance level. The power of the procedure is shown to be superior to two other procedures which appear in the literature.The authors are grateful for the suggestions of the referees and for computer funding provided by the Northeast Regional Data Center at the University of Florida.     

The diffuse thalamocortical system and Pavlovian/Eysenckian theory: A response to criticism

This article is a response to Paisey's (1983, this issue, pp. 527–534) critique of reports which describe how transmission characteristics of the diffuse thalamocortical system relate to personality, intelligence and cognitive style (Robinson, 1982a, Robinson, 1982b). Detailed consideration of Paisey's objections leads to the conclusion that they fall into three major categories. First, there are ‘straw men’ that derive from a misrepresentation of theoretical arguments. Secondly, there are objections which relate to methodological considerations but lack substance. Finally, there are criticisms that arise from Paisey's mistaken application of statistical methods.     

Characteristics of schizophrenics' and neurotics' relatives

A group of adult first-degree relatives of schizophrenics were compared with a control sample of neurotics' relatives on the EPQ, an earlier version of the Eysenck P scale, and on three specially-constructed scales of ‘psychoticism’ (STA, STB and S), derived from a consideration of the clinical symptomatology of schizophrenia and of the ‘borderline syndromes’. Overall differences, in a predictable direction, were confined to the EPQ P scale where schizophrenics' relatives had significantly higher scores, though further analysis suggested that this was due partly to the raised scores of males and partly to very low P-scores seen in male neurotics' relatives. Scores on the STA, measuring schizophrenic ‘symptoms’, were very low in schizophrenics' relatives, due, it was argued, to extremely defensive responding in that group. Results are also reported for two psychophysiological measures, forearm EMG and skin conductance. Here marked group differences were observed, schizophrenics' relatives having significantly higher mean EMG and significantly lower mean skin conductance. This unusual pattern of response was especially evident in a small subgroup of schizophrenics' relatives whose personality profiles tended to differ in the predictable direction, towards greater ‘psychoticism’. The psychophysiological data were highly consistent with other results from our laboratory demonstrating a ‘dissociation’ between different measures of ‘arousal’ in high-P normal subjects and in psychotic patients and it was concluded that measures based on such a conception of the biological basis of schizophrenia offer considerable promise as high-risk indicators of psychopathology.     

The effects of parental alcoholism on perception of control and imposter phenomenon

The present study examined the differences in internal and external locus of control and imposter phenomenon among persons with alcoholic and non-alcoholic parents. The subjects were 48 college students and 21 members of local Adult Children of Alcoholic groups. The students were further divided into those with alcoholic parents and non-alcoholic parents. The subjects were administered the following three instruments: the Nowicki-Strickland Internal-External Control Scale for Adults (Nowicki & Duke, 1973), the Imposter Test (Chance & O’Toole, 1987), and a family history survey. Analysis of locus of control scores revealed a highly significant (p<.01) difference for externality, with Adult Children being most external and students with non-alcoholic parents least external. Similarly, internality scores differed significantly (p<.0001), with Adult Children being least, and the non-alcoholic group being most internally oriented. Analysis of variance for imposter phenomenon revealed a significant (p<.05) difference among the three groups, with the Adult Children of Alcoholics group having the highest scores and students with non-alcoholic parents having the lowest. These findings are consistent with the idea that parental alcoholism interferes with nurturing and consistent reinforcement, and with the development of personal adaptability.     

Analogical transfer and expertise in legal reasoning

Analogical transfer and its relation to expertise is examined in a legal context. Three experiments were conducted comparing the performance of novices (introductory tax students) and of experts (experienced tax practitioners from multinational public accounting firms) on tasks involving the application of tax laws. In Experiment 1 subjects completed a target problem after reading a decided case that was either analogous or not analogous to a target problem. A limited amount of transfer was observed, with no differential rate of transfer across experience levels. In Experiments 2 and 3 attempts were made to facilitate transfer of knowledge by inducing transfer-appropriate processing of the source analog and by providing multiple source analogs. The results of both experiments indicate an interaction between treatment and expertise. Unexpectedly, the facilitating treatments reduced the transfer of knowledge for experts while increasing the transfer for novices. Subsequent analysis of the responses of the expert subjects indicates that for the more experienced expert subjects a highly proceduralized rule interfered with the knowledge transfer when that rule was made salient by the facilitating treatments. The less experienced expert subjects behaved in a manner consistent with the hypotheses. This poor performance of the more experienced experts results from the inflexibility in expert problem solving due to the proceduralization of information processing. Frensch and Sternberg (1989) demonstrate that this type of inflexibility is one of the costs of expertise and results from the development of a large and highly complex knowledge base containing numerous well developed strategies.     

Massignon,Vatican II and Islam as an Abrahamic religion

The qur'anic material about Abraham corresponds in broad outline to the biblical story although it contains some novel features, including the claim that Islam is the religion of Abraham and that together with Ishmael he rebuilt the Kaaba. The article surveys the largely negative responses of Byzantine polemicists, medieval Western authors, and later orientalists, to Islam's avowedly Abrahamic pedigree. It then examines the work of Louis Massignon and his circle, and discusses the extent to which his conviction that Islam was an Abrahamic religion, like Judaism and Christianity, influenced Vatican II. Some precursors of Massignon are mentioned, his attitude to the qur'anic representation of Abraham is criticized in the light of recent research, and his interest’ in Abraham is shown to have been intimately bound up with the peculiar circumstances of his own life.     

Aphasics' selective deficits in appreciating grammatical agreements

This study attempted to dissociate in aphasic patients different aspects of grammatical capacity. Subjects were asked to evaluate sentences containing violations of agreements between pronouns and verbs. Agreements which are considered primarily structural in nature were violated (e.g., a surface object case like “them” placed in a surface subject sentential slot) while other violated agreements seemed to involve both structural and semantic information (e.g., lack of agreement between a pronoun and a verb in terms of the number of people performing the act). These violations were couched in one of three types of sentential frames which varied in terms of syntactic complexity (e.g., active declarative vs. passive syntactic voices). The results revealed that Broca's aphasics found agreement violations difficult to detect in complex syntactic frames. They were quite successful at detecting even violations of the largely structural “case” type of agreement, however, when couched in simpler syntactic frames. Fluent aphasics encountered more difficulty detecting violations of agreements involving both semantic and structural information than agreements which were primarily structural in nature, that is, regardless of the syntactic frame. These unique performance profiles suggest that Broca's aphasics may be agrammatic only with respect to certain aspects of a sentence's structure, and that fluent aphasics may also experience some selective—but different—grammatical deficits.     

Properties of the diffuse thalamocortical system, human intelligence and differentiated vs integrated modes of learning

In complementary reports Robinson (1982a, b) describes how the transmission characteristics or time constants of thalamic and cortical neuron populations of the diffuse thalamocortical system (DTS) can be evaluated in human subjects. Equating these constants with the Pavlovian property of ‘strength’ it was predicted that they should relate to Extraversion and Neuroticism scores on the Eysenck Personality Questionnaire (EPQ). This prediction was confirmed and the results provide direct support for the theories of Pavlov and Eysenck. The present report describes additional results which confirm predictions relating the DTS constants to performance on the Wechsler Adult Intelligence Scale (WAIS) and on the Embedded Figures Test (EFT). An important finding was that a measure of deviation from intermediate and ‘balanced’ values of the DTS constants loads to the extent of -0.80 on the WAIS ‘memory’ or ‘attention/ concentration’ factor. More generally, the results provide further support for Pavlov's conception of brain-behaviour relationships and suggest that the DTS plays a fundamental role in determining a broad spectrum of human psychological differences including some associated with the concepts of intelligence and cognitive style. These IQ and cognitive style differences are explained as the immediate and longer-term consequences, respectively, of differences in the distribution of background cortical activity mediated by the DTS.