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201.
202.
Audiogenic seizures of SJL/J mice sensitized before 3 weeks of age were found to be of two distinct types. Seizures with short latencies to onset were without clear asymmetries of either run or fall direction, whereas seizures occurring after a longer latency were characterized by asymmetries of both of these behaviors. 相似文献
203.
We evaluated a group instruction program for teaching a vocational skill to profoundly retarded adults. The program involved designated trainer roles and both individual student-directed and total group-directed procedures. Results indicated that, following the program, participants acquired the skill of stamping addresses on envelopes, the skill generalized across an untrained type of envelope, and the skill maintained over time. The group activity was incorporated into the regular classroom without increased disruption and the participants earned a wage for their productivity. Implications for the development of a group instruction technology for severely handicapped persons are discussed. 相似文献
204.
Reid G 《Journal of motor behavior》1980,12(3):221-227
The present study investigated the effectiveness of teaching mnemonic strategies aimed at overcoming difficulties of mentally retarded students in retaining the motor short-term memory information of a preselected movement. The memory strategy employed was a combination of the "feel" of the movement and the spatial location of the hand relative to the body. The design of the study was a 2 x 2 (Instructional Treatment x Retention Condition) factorial. The instructional treatment factor included teaching the subjects a memory strategy versus no memory-strategy instruction. The retention condition factor included immediate recall and a 15-sec retention interval. There were five trials per subject. The data were interpreted as supporting the effectiveness of the memory-strategy instruction. 相似文献
205.
Discriminative functions of schedule stimuli and memory: a combination of schedule and choice procedures 总被引:3,自引:3,他引:0
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Stubbs DA Vautin SJ Reid HM Delehanty DL 《Journal of the experimental analysis of behavior》1978,29(2):167-180
Pigeons responded under a combination brief-stimulus schedule and choice procedure. Normally, a fixed-interval schedule was in effect, where completion randomly produced either a brief stimulus or food. Intermittently, this schedule was interrupted by a choice arrangement. Two choice keys were lit, either a short or a long time since a prior event (food or stimulus). One choice response produced food if the time had been short, and the alternate response produced food if the time had been long. Across conditions, the duration of the fixed-interval schedule was varied, the stimuli that comprised the brief-stimulus operation were changed, and the stimuli were presented as paired and nonpaired with food. The focus of the study was the control of both schedule performance and choice responding across conditions. The results showed that choice accuracy was correlated with the degree of fixed-interval curvature, the response pattern of a pause followed by a gradually accelerated rate. As fixed-interval schedule duration was increased, both the degree of fixed-interval curvature and choice accuracy decreased. The particular brief stimulus used affected schedule and choice performance, with a more salient stimulus producing a greater degree of curvature and higher accuracy. Pairing and nonpairing operations produced striking differences in performance with the less salient brief stimulus, but not with the more salient stimulus. The results suggest that brief-stimulus schedule performance may be conceptualized in the context of memory research. 相似文献
206.
Peterson NA Lowe JB Hughey J Reid RJ Zimmerman MA Speer PW 《American journal of community psychology》2006,38(3-4):287-297
The Sociopolitical Control Scale (SPCS) is a widely used measure of the intrapersonal component of psychological empowerment. Confirmatory factor analyses (CFA) were conducted with data from two samples to test the hypothesized structure of the SPCS, the potential effects of method bias on the measure’s psychometric properties, and whether a revised version of the scale (SPCS-R) yielded improved model fit. Sample 1 included 316 randomly selected community residents of the Midwestern United States. Sample 2 included 750 community residents of the Northeastern U.S. Results indicated that method bias from the use of negatively worded items had a significant effect on the factor structure of the SPCS. CFA of the SPCS-R, in which negatively worded items were rephrased so that all statements were positively worded, supported the measure’s hypothesized two-factor structure (i.e., leadership competence and policy control). Subscales of the SPCS-R were found reliable and related in expected ways with measures of community involvement. Implications of the study for empowerment-based research and practice are described, and strategies to further develop the SPCS are discussed. 相似文献
207.
Clinicians should have a basic understanding of the physical and financial risk to mental health facilities related to external threat, such as (but not necessarily limited to) terrorism. Patient care and accessibility to mental health services rest not only on clinical skills, but on a place to practice them and an organized system supported by staff, physical facilities and funding. Clinicians who have some familiarity with the non-clinical requirements for care are in a position to support non-clinical staff in preventing care from being interrupted by external threats or events such as terrorist activity, and/or serving at the interface of facility operations and direct clinical care. Readers should note that this article is an introduction to the topic and cannot address all local, state, and national standards for hospital safety, or insurance providers' individual facility requirements. 相似文献
208.
The three experiments reported show that judgments of elapsed time between events depend on perceived causal relations between the events. Participants judged pairs of causally related events to occur closer together in time than pairs of causally unrelated events that were separated by the same actual time interval. The causality-time relationship was first demonstrated for time judgments about historical events. Causally related events were judged to be significantly closer together in time than causally unrelated events. In two subsequent experiments, perceived causality was manipulated by providing expert information and by asking the participants themselves to imagine causal relationships between the to-be-judged events. Again, substantial and reliable effects of perceived causality were obtained. Our results suggest that people use strength of perceived causality as a cue to infer temporal distance. 相似文献
209.
210.