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71.
Joseph R. Cautela Mary Grace Baron 《Integrative psychological & behavioral science》1974,9(2):104-121
Pavlovian theory provides a conceptual scheme for the examination of recent empirical data on dreaming. Consistencies are examined between these data and Pavlovian theory of the general properties of the nervous system. An equation is made between Pavlov’s excitation-inhibition continuum, the REM-NREM cycle, and the basic rest-activity cycle. Speculations, based on this equation, are made about the inter-relation between waking and sleeping behaviors. Testable hypotheses are suggested throughout the paper. 相似文献
72.
73.
DeAnna L. Mori Jennifer F. Lambert Barbara L. Niles Jay D. Orlander Maureen Grace Joseph S. LoCastro 《Journal of clinical psychology in medical settings》2003,10(3):187-192
Despite the prevalence of psychiatric disorders in medical settings, mental health problems often go undetected and patients do not receive appropriate treatment. The main goal of this study is to provide additional information about the Beck Anxiety Inventory – Primary Care (BAI–PC), a brief instrument that screens for patients with anxiety. This study provides information on the performance of the BAI–PC as a screening instrument for depression and PTSD in addition to its original purpose as a screening instrument for anxiety. This efficient tool can identify patients who can benefit from effective psychological treatments and facilitate referrals to psychologists working in medical settings. 相似文献
74.
Randolph C. Grace 《Journal of the experimental analysis of behavior》2018,109(1):33-47
According to behavioral momentum theory (Nevin & Grace, 2000a), preference in concurrent chains and resistance to change in multiple schedules are independent measures of a common construct representing reinforcement history. Here I review the original studies on preference and resistance to change in which reinforcement variables were manipulated parametrically, conducted by Nevin, Grace and colleagues between 1997 and 2002, as well as more recent research. The cumulative decision model proposed by Grace and colleagues for concurrent chains is shown to provide a good account of both preference and resistance to change, and is able to predict the increased sensitivity to reinforcer rate and magnitude observed with constant‐duration components. Residuals from fits of the cumulative decision model to preference and resistance to change data were positively correlated, supporting the prediction of behavioral momentum theory. Although some questions remain, the learning process assumed by the cumulative decision model, in which outcomes are compared against a criterion that represents the average outcome value in the current context, may provide a plausible model for the acquisition of differential resistance to change. 相似文献
75.
Anthony P. McLean Randolph C. Grace Olesya T. Shevchouk Jacinta R. Cording 《Journal of the experimental analysis of behavior》2018,109(2):313-335
In two experiments, experimentally naïve rats were trained in concurrent variable‐interval schedules in which the reinforcer ratios changed daily according to a pseudorandom binary sequence. In Experiment 1, relative response rates showed clear sensitivity to current‐session reinforcer ratios, but not to previous sessions' reinforcer ratios. Within sessions, sensitivity to the current session's reinforcement rates increased steadily, and by session end, response ratios approached matching to the current‐session reinforcer ratios. Across sessions, sensitivity to the current session's reinforcer ratio decreased with continued exposure to the pseudorandom binary sequence, contrary to expectations based on previous studies demonstrating learning sets. Using a second group of naïve rats, Experiment 2 replicated the main results from Experiment 1 and showed that although there were increases over sessions in both changeover rate and response rate during the changeover delay, neither could explain the accompanying reductions in sensitivity. We consider the role of reinforcement history, showing that our results can be simulated using two separate representations, one local and one nonlocal, but a more complex approach will be needed to bring together these results and other history effects such as learning sets and spontaneous recovery. 相似文献
76.
Psychosocial factors are increasingly recognized as risk indicators for coronary artery disease (CAD) prognosis and they are likely interrelated. The objective of this study is to simultaneously test the relationship between key psychosocial constructs as independent factor scores and recurrent events in CAD patients. There were 1268 CAD outpatients of 97 cardiologists surveyed at two points. Recurrent events or hospitalization in the intervening nine months were reported. Factor analysis of items from the Hospital Anxiety and Depression Scale, Perceived Stress Scale, the ENRICHD Social Support Inventory, and Hostile Attitudes Scale was performed to generate orthogonal factor scores. With adjustment for prognostic variables, logistic regression analysis was performed to examine the relationship between these factor scores and recurrent events. Factor analysis resulted in a six-factor solution: hostility, stress, anxiety, depressive symptoms, support, and resilience. Logistic regression revealed that functional status and anxiety, with a trend for depressive symptoms, were related to experiencing a recurrent event. In this simultaneous test of psychosocial constructs hypothesized to relate to cardiac prognosis, anxiety may be a particularly hazardous psychosocial factor. While replication is warranted, efforts to investigate the potential benefits of screening and to investigate treatments are needed. 相似文献
77.
Smith JD Ashby FG Berg ME Murphy MS Spiering B Cook RG Grace RC 《Psychonomic bulletin & review》2011,18(2):414-421
Recent theoretical and empirical developments in human category learning have differentiated an analytic, rule-based system of category learning from a nonanalytic system that integrates information across stimulus dimensions. In the present study, the researchers applied this theoretical distinction to pigeons' category learning. Pigeons learned to categorize stimuli varying in the tilt and width of their internal striping. The matched category problems had either a unidimensional (rule-based) or multidimensional (information-integration) solution. Whereas humans and nonhuman primates strongly dimensionalize these stimuli and learn rule-based tasks far more quickly than information-integration tasks, pigeons learned the two tasks equally quickly to the same accuracy level. Pigeons may represent a cognitive system in which the commitment to dimensional analysis and category rules was not strongly made. Their performance could suggest the character of the ancestral vertebrate categorization system from which that of primates emerged. 相似文献
78.
Sherr L Nagra N Kulubya G Catalan J Clucas C Harding R 《Psychology, health & medicine》2011,16(5):612-629
The phenomenon of post-traumatic stress has been well documented in the literature as a lasting mental health condition associated with exposure to traumatic life events. The diagnosis and experience of human immunodeficiency virus (HIV) disease may be such a trauma. On the other hand, the phenomenon of post-traumatic growth (PTG) has been described, whereby people show positive mental health growth in the face of such trauma. This systematic review was set out to explore post-traumatic stress disorder (PTSD) and PTG in people with HIV to monitor prevalence, measurement and efficacy of interventions to reduce stress and/or promote growth. Standardised review techniques were used to track reports on both PTSD and PTG. A total of 206 papers were retrieved from the PTSD and HIV searches, and 13 from the PTG and HIV searches. After reviewing the papers for inclusion according to adequacy and relevance criteria and to remove duplicates, 33 PTSD papers and three PTG were available for full coding. Prevalence of PTSD in HIV ranged from 5% to 74%, which were much greater than the 7-10% in the general population. Seven studies showed a relation between trauma and PTSD, while six showed a link between PTSD diagnosis and reduced antiretroviral treatment adherence. Women were more likely to be diagnosed with PTSD. Only three intervention reports were identified that fitted our inclusion criteria. All of these reported on psychological interventions for HIV+?individuals with trauma. The interventions utilised HIV education, training in coping techniques and support groups. Only coping interventions were shown to be effective. PTG was under researched but showed a promising avenue of study. There needs to be harmonised measurement and the evidence base would need strengthening in order to build on the understanding of the impact of PTSD and PTG over the course of HIV disease. There is good evidence to associate HIV diagnosis and experiences during the course of illness as traumatic. PTSD has been shown to be prevalent and there seems to be good evidence to incorporate standardised measures to track the course of the disorder. There is extremely limited evidence that interventions may affect the course of symptom experience. The evidence and insight into PTG show promise but is currently inadequate. 相似文献
79.
Children’s academic self-efficacy is one of the strongest predictors of achievement (Wigfield and Eccles, Contemporary Educational
Psychology 25(1): 68–81, 2000). The present research examined mathematics self-efficacy and the relationship of racial context
from the perspective of two competing bodies of research. Stereotype threat theory would predict that, under conditions where
negative stereotypes are salient, self-efficacy would decrease. So, Black/African American students in primarily White classrooms
would be predicted to report lower self-efficacy. However, other research suggests that Black/African American students demonstrate
fortitude even under disadvantage (e.g., Graham, Review of Educational Research, 64(1): 55–117, 1994). We examined the mathematics
self-efficacy of 170 fifth-grade students. In contrast to stereotype threat theory, results suggested that Black/African American
students’ self-efficacy remained stable regardless of the racial breakdown of the class. However, White students demonstrated
elevated self-efficacy when in predominantly Black/African American classrooms. These results could not be explained by differences
in classroom environments. Results are discussed in terms of resilience, ethnic identity and White identity. 相似文献
80.
Derek Chadee Grace Sooknanan Diana Williams 《Journal of applied social psychology》2017,47(12):696-702
The current study proposed general health as a predictor of fear of crime with risk perception and general fear as mediating factors. Data were collected from a randomly selected household sample using face to face interviews (n = 300) and utilizing the following scales: general health, general fear, fear of crime, and perceived risk of victimization. Findings confirm hypothesis that persons with low general health will experience higher fear of crime, a relationship mediated by both general fear and perceived risk of victimization. A significant gender difference was observed with general fear significantly mediating relationship for females, and risk of perceived victimization mediating for males. Implications of findings are discussed in the context of previous and future research. 相似文献