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31.
Harriet Salatas Waters 《Journal of experimental child psychology》1982,33(2):183-195
Eighth and tenth grade students were asked to study and recall a list of paired associates. The word pairs were available either throughout an 8 sec per word study period or only at the beginning and were composed of either high frequency or low frequency words. After recall, students were asked to indicate which of several study strategies they had used with each word pair (read pair carefully, rehearsal, visual elaboration, verbal elaboration). In addition, they were asked which of these strategies would have had the best effect on recall. Knowledge of appropriate memory strategies (metamemory) was positively related to strategy use, and strategy use was positively related to recall performance at both ages. Improved performance with materials available throughout study and with high frequency word pairs was explained by increased use of elaborative strategies. Age differences in performance were explained by increased strategy effectiveness. These results are discussed in relation to changing relationships among metamemory, strategy use, and performance with age. 相似文献
32.
Steve Goldband 《Behavior research methods》1979,11(2):111-114
Real-time clock strategies are described for microcomputers in behavioral research. Software-oriented and hardware-oriented counters are described in both free-running and strobed modes. An example of a clock using the Intel 8253 is given, along with driving software in 8080 assembly code and hardware for the S-100 bus. 相似文献
33.
An inverse relationship was found between the number of parental visits an institutionalized retarded child received and the distance of the parental home from the institution. When the natural parents were living together, the retarded child was shown to receive more visits than when the child's parents were separated or one parent was deceased. Single mothers were found to be living significantly closer to the facility than single fathers. Single fathers appeared to put more effort into visiting, since they visited just as often as the mothers, but had to travel further distances than the mothers to do so. Visitation frequency followed a curvilinear pattern, decreasing uniformly from 20–60 miles (from 0–20 miles visitation frequency is uniform), and then leveling off. 相似文献
34.
Pigeons' keypecks were reinforced with grain on the average of once per minute by schedules that maintained low response rates and by schedules that maintained high response rates. During these schedules, a fixed-duration conditioned stimulus (CS) ranging from 7.5 to 120 sec in duration across conditions terminated with response-independent food. Response rates during the CS were inversely related to CS duration. The rates and the temporal patterns of responding during the shortest CS were similar whether the ongoing schedule maintained high response rates or low response rates. As CS duration increased, the rate and pattern of responding during the CS converged on the rate and pattern of responding maintained by the baseline schedule. These data indicate that changes in responding during stimuli that signal response-independent reinforcement are not homogeneous throughout the CS; that response measures, such as “suppression ratios”, which presume homogeneity may mislead us; and that conditioned suppression and conditioned enhancement may be better talked about in terms of species-specific approach and avoidance than in terms of emotional states. 相似文献
35.
Lara J. Farrell Taka Miyamoto Caroline L. Donovan Allison M. Waters Kirra A. Krisch Thomas H. Ollendick 《Behavior Therapy》2021,52(2):478-491
Specific phobia (SP) typically onsets in childhood and frequently predicts other mental health disorders later in life. Fortunately, childhood SP can be effectively treated with cognitive behavior therapy (CBT), including the exposure-based one-session treatment (OST) approach. Despite empirical support for CBT and OST, clinicians, for various reasons, frequently fail to implement exposure-based therapy in routine clinical practice, including perceived difficulties in implementing exposure. Virtual reality (VR) exposure therapy may overcome some of these challenges and provides an alternative modality of therapy. This preliminary study examined the efficacy of VR OST for 8 children with a SP of dogs (aged 8–12 years) (M = age 10.25; SD = 2.11) using a multiple-baseline controlled case series. Following a stable baseline period of either 2, 3, or 4 weeks, it was expected that specific phobia severity would significantly decline after VR OST and remain improved over the 3-week maintenance phase. Assessments were conducted posttreatment and at 1-month follow up (study end-point). It was found that phobia symptoms remained relatively stable across the baselines, with significant reductions from pretreatment to posttreatment and to follow-up on clinician severity ratings (pre- to post- g = 1.12; pre- to follow-up g = 2.40), target symptom ratings (g = 1.14; 1.29), and behavioral avoidance (g = -1.27; -1.96). The treatment was also associated with clinically significant outcomes, whereby at one-month follow up, 75% of children were considered “recovered” and 88% completed the BAT (interacted with their feared stimuli). This study provides support for the effectiveness of VR OST. 相似文献
36.
Amy L. Paine Rebecca Cannings-John Susan Channon Fiona Lugg-Widger Cerith S. Waters Michael Robling 《Infant mental health journal》2020,41(4):463-476
A mother's propensity to refer to internal states during mother–child interactions is important for her child's developing social understanding. However, adolescent mothers are less likely to reference internal states when interacting with their children. We investigated whether young mothers’ references to internal states are promoted by the Family Nurse Partnership (FNP) intervention, an intensive home-visiting programme designed to support adolescent mothers in England. We also investigated family, maternal, and child factors associated with young mothers’ references to inner states during interactions with their children. Adolescent mothers (n = 483, aged ≤ 19 years when recruited in pregnancy) and their children participated in an observational substudy of a randomized controlled trial investigating the impact of FNP compared to usual care. Mother–child dyads were video-recorded during free play, and mothers’ speech was coded for use of internal state language (references to cognitions, desires, emotions, intentions, preferences, physiology, and perception). We found no differences in mothers’ use of internal state language between the FNP and usual care groups. A sample-wide investigation identified that other features of mothers’ language and relationship status with the child's father were associated with internal state language use. Findings are discussed with reference to targeted interventions and implications for future research. 相似文献
37.
This study investigated the effect of noise masking on on-line syntactic processing. Ninety college students were tested on measures of working memory and on-line sentence comprehension. Subjects were divided equally into three listening conditions: no noise masking, -3 dB signal-to-noise ratio (S:N), -4.5 dB S:N. The auditory moving windows (AMW) paradigm was used to measure on-line sentence processing. In the AMW paradigm, subjects pressed a button for the successive presentation of each phrase in two types of sentences (syntactically simple and complex), and listening times were recorded for each phrase. Previous studies have shown that the verb in the more complex sentence type is the most capacity demanding portion of the sentence. Listening times were longer overall with increased noise masking, and listening times were longer overall at the verb of the harder sentence type. However, the increase at the verb was not larger with increased noise masking. All three groups showed similar effects of syntactic structure in the on-line data. The on-line syntactic effects were not due to problems in word recognition. Correlational analyses did not indicate a relationship between the increase in processing time at the capacity demanding region of the harder sentence types and any of the measures of working memory capacity in any of the three listening conditions. Results indicate that on-line sentence processing is not affected by noise masking if lexical access (e.g., word recognition) remains intact. 相似文献
38.
When timing the mind one should also mind the timing: biases in the measurement of voluntary actions
Trevena and Miller (2002, this issue) provide further evidence that readiness potentials occur in the brain prior to the time that participants claim to have initiated a voluntary movement, a contention originally forwarded by Libet, Gleason, Wright, and Pearl (1983). In their examination of this issue, though, aspects of their data lead them to question whether their measurement of the initiation of a voluntary movement was accurate. The current article addresses this concern by providing a direct analysis of biases in this task. This was done by asking participants to make subjective timing decisions regarding a stimulus that could be measured objectively. Our findings suggest that their timing task was indeed biased such that participants' tend to report events as happening approximately 70 ms later than they actually happened. Implications for the original Libet et al. claims are discussed. 相似文献
39.
While obsessive–compulsive disorder is widely recognized to have a strong genetic component, psychosocial factors are also acknowledged to be important. The primary focus of this paper is on familial factors associated with OCD in children and adolescents. It explores the family context as a possible risk factor in the development and maintenance of the disorder, including parental modeling, expressed emotion, parenting style, and family accommodation of the child's symptoms. The involvement of the family in the treatment of the disorder is also reviewed. Finally, future directions for research investigating familial factors in childhood OCD are presented. 相似文献
40.
Huang L Stroul B Friedman R Mrazek P Friesen B Pires S Mayberg S 《The American psychologist》2005,60(6):615-627
In April 2002, the President's New Freedom Commission on Mental Health was created by executive order to study the mental health care delivery system in our nation and to make recommendations for improvements so that individuals with serious mental disorders can live, work, learn, and fully participate in their homes and communities. In its report, "Achieving the Promise: Transforming Mental Health Care in America," the commission provided strategies to address critical infrastructure, practice, and research issues. This article focuses on the work of the commission's Subcommittee on Children and Families, describing its vision for mental health service delivery for children and providing suggestions for strengthening community-based care for youths with or at risk of behavioral health disorders. Training, research, practice, and policy implications for psychologists are discussed. 相似文献