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131.
Robert E. Overstreet Casey Cegielski Dianne Hall 《Journal of applied social psychology》2013,43(5):936-946
Because the literature suggests significant differences in the adoption rate of traditional innovations and those innovations classified as preventive, we examine the effectiveness of the constructs of the theory of planned behavior and social cognitive theory in predicting the adoption of preventive innovations. The current study synthesized 89 correlations from 63 studies (n = 31,158). The corrected mean correlation estimates were .51 for attitude, .52 for subjective norms, and .43 for planned behavioral control. The corrected mean correlation estimate for self‐efficacy was .47. By understanding the predictor variables of the intent to adopt a preventive innovation, proponents of specific preventive innovations may be better equipped to select strategies that could accelerate the diffusion process. 相似文献
132.
This study investigated the magnitude of the asymmetrical tonic neck reflex (ATNR) response in forty preschool children, grouped by age (3 years and 5 years) and sex. The ATNR response was measured by electrogoniometers at the head and elbows and recorded graphically on an X-Y plotter. Change scores indicating the difference in degrees of elbow flexion before and after head rotation were analyzed. Repetition of the stimulus (head turning) to the left and to the right occurred under two test postures (supine, quadrupedal) with the effect of a blindfold nested within quadruped trials and the effect of added tension nested within supine, totaling 16 trials per child. The magnitude of the ATNR decreased significantly with age, but sex differences were not significant. The quadrupedal test posture produced significantly larger responses than did the supine test posture. Added tension produced significant increases in the supine posture. The blindfold did not produce significant main effects. Electro-goniometric measurement consistently demonstrated the magnitude of the ATNR in normal preschool children, which decreases with age, is dependent upon test posture and can provide numerical guides in clinical tests of central nervous system integration. 相似文献
133.
Dianne C. Berry Simon Banbury Lucy Henry 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1997,50(1):1-24
Three experiments examined transfer across form (words/pictures) and modality (visual/ auditory) in written word, auditory word, and pictorial implicit memory tests, as well as on a free recall task. Experiment 1 showed no significant transfer across form on any of the three implicit memory tests,and an asymmetric pattern of transfer across modality. In contrast, the free recall results revealed a very different picture. Experiment 2 further investigated the asymmetric modality effects obtained for the implicit memory measures by employing articulatory suppression and picture naming to control the generation of phonological codes. Finally, Experiment 3 examined the effects of overt word naming and covert picture labelling on transfer between study and test form. The results of the experiments are discussed in relation to Tulving and Schacter's (1990) Perceptual Representation Systems framework and Roediger's (1990) Transfer Appropriate Processing theory. 相似文献
134.
135.
Ester I Klimkeit Jason B Mattingley Dianne M Sheppard Maree Farrow John L Bradshaw 《Child neuropsychology》2004,10(3):201-211
The development of attention and executive functions in normal children (7-12 years) was investigated using a novel selective reaching task, which involved reaching as rapidly as possible towards a target, while at times having to ignore a distractor. The information processing paradigm allowed the measurement of various distinct dimensions of behaviour within a single task. The largest improvements in vigilance, set-shifting, response inhibition, selective attention, and impulsive responding were observed to occur between the ages of 8 and 10, with a plateau in performance between 10 and 12 years of age. These findings, consistent with a step-wise model of development, coincide with the observed developmental spurt in frontal brain functions between 7 and 10 years of age, and indicate that attention and executive functions develop in parallel. This task appears to be a useful research tool in the assessment of attention and executive functions, within a single task. Thus it may have a role in determining which cognitive functions are most affected in different childhood disorders. 相似文献
136.
Motor preparation, motor execution, attention, and executive functions in attention deficit/hyperactivity disorder (ADHD). 总被引:1,自引:0,他引:1
Ester I Klimkeit Jason B Mattingley Dianne M Sheppard Paul Lee John L Bradshaw 《Child neuropsychology》2005,11(2):153-173
Attention and executive functions were investigated in medicated and unmedicated children with ADHD combined type using a novel selective reaching task. This task involved responding as rapidly as possible to a target while at times having to ignore a distractor. Results indicated that unmedicated children with ADHD showed slow and inaccurate responding. Slow responding reflected problems at the stage of movement preparation but not movement execution. An attentional impairment, rather than a motor planning problem per se, appeared to underlie the slow movement preparation. Inaccurate responding reflected problems with response inhibition and selective attention, impulsivity, set-shifting, and difficulties in maintaining vigilance. Although medicated children with ADHD did not show slow movement preparation, they did show some response inaccuracy, resulting especially from impulsive responding.These findings suggest that ADHD is characterized by slow motor preparation (but not motor execution), and deficits in selective attention, vigilance, and executive functions. Preliminary results suggest that stimulant medication may resolve some of these motor, attentional and executive function deficits. 相似文献
137.
Rod K Dishman Derek P Hales Karin A Pfeiffer Gwen A Felton Ruth Saunders Dianne S Ward Marsha Dowda Russell R Pate 《Health psychology》2006,25(3):396-407
The authors tested whether physical self-concept and self-esteem would mediate cross-sectional relations of physical activity and sport participation with depression symptoms among 1,250 girls in 12th grade. There was a strong positive relation between global physical self-concept and self-esteem and a moderate inverse relation between self-esteem and depression symptoms. Physical activity and sport participation each had an indirect, positive relation with global physical self-concept that was independent of objective measures of cardiorespiratory fitness and body fatness. These correlational findings provide initial evidence suggesting that physical activity and sport participation might reduce depression risk among adolescent girls by unique, positive influences on physical self-concept that operate independently of fitness, body mass index, and perceptions of sports competence, body fat, and appearance. 相似文献
138.
Patients and practitioners may believe that clinically validated laboratory tests provide definitive information. Genetic counselors know this is not always so, and the possibility of inconclusive genetic test results is often discussed in the pretest counseling session. This added discussion topic prolongs the process of genetic counseling, but if there is inadequate patient understanding, patient frustration may be high when receiving a result of uncertain significance, and patients may make decisions about subsequent medical management based on incorrect assumptions. For patients/participants in a research setting, where the clinical validity of testing may be unclear, some patients/participants may still want to use test results to influence their medical management. This paper presents findings from a qualitative study wherein 15 women from the High Risk Breast Cancer Clinic at Utah's Huntsman Cancer Institute discussed how uncertainty regarding results affected their decision making. The women were randomly selected from 3 categories--women with test results of uncertain significance; women without cancer who have a mutation; and women who are members of high-risk families, but for whom no mutation was found. Study findings will be used in future studies to better understand how to improve communication regarding uncertain results, especially in a research environment. 相似文献
139.
The purpose of this study was to identify guidance strengths and learning needs of fathers of adolescents. Perceptions of two generations were used to determine how well fathers perform as parents and realms of knowledge they have yet to acquire. The Parent Success Indicator, a 60-item Likert-type instrument, was administered to 126 Caucasian fathers and 185 adolescents. Significant differences obtained between generations for the total inventory, some scales, and many items. The amount of time spent together had the greatest influence on how both generations evaluated father success. Findings are discussed in terms of developing a curriculum to enhance the success of fathers. 相似文献
140.
The artificial grammar (AG) learning literature (see, e.g., Mathews et al., 1989; Reber, 1967) has relied heavily on a single measure of implicitly acquired knowledge. Recent work comparing this measure (string classification) with a more indirect measure in which participants make liking ratings of novel stimuli (e.g., Manza & Bornstein, 1995; Newell & Bright, 2001) has shown that string classification (which we argue can be thought of as an explicit, rather than an implicit, measure of memory) gives rise to more explicit knowledge of the grammatical structure in learning strings and is more resilient to changes in surface features and processing between encoding and retrieval. We report data from two experiments that extend these findings. In Experiment 1, we showed that a divided attention manipulation (at retrieval) interfered with explicit retrieval of AG knowledge but did not interfere with implicit retrieval. In Experiment 2, we showed that forcing participants to respond within a very tight deadline resulted in the same asymmetric interference pattern between the tasks. In both experiments, we also showed that the type of information being retrieved influenced whether interference was observed. The results are discussed in terms of the relatively automatic nature of implicit retrieval and also with respect to the differences between analytic and nonanalytic processing (Whittlesea & Price, 2001). 相似文献