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221.
Mark L. Wolraich Irene D. Feurer Jane N. Hannah Anna Baumgaertel Theodora Y. Pinnock 《Journal of abnormal child psychology》1998,26(2):141-152
This study examines the psychometric properties of the Vanderbilt AD/HD Diagnostic Teacher Rating Scale (VADTRS) and provides preliminary normative data from a large, geographically defined population. The VADTRS consists of the complete list of DSM-IV AD/HD symptoms, a screen for other disruptive behavior disorders, anxiety and depression, and ratings of academic and classroom behavior performance. Teachers in one suburban county completed the scale for their students during 2 consecutive years. Statistical methods included (a) exploratory and confirmatory latent variable analyses of item data, (b) evaluation of the internal consistency of the latent dimensions, (c) evaluation of latent structure concordance between school year samples, and (d) preliminary evaluation of criterion-related validity. The instrument comprises four behavioral dimensions and two performance dimensions. The behavioral dimensions were concordant between school years and were consistent with a priori DSM-IV diagnostic criteria. Correlations between latent dimensions and relevant, known disorders or problems varied from .25 to .66. 相似文献
222.
Decision Pattern Analysis as a General Framework for Studying Individual Differences in Decision Making 下载免费PDF全文
This paper investigated decision pattern analysis (DPA) as a general and standard framework for studying individuals' consistent decision making behavior within and between contexts. DPA classifies decisions on the basis of judgement accuracy and the goal orientation of the decided‐upon action. Over repeated decisions, patterns of individuals' decision behavior are described by five variables: competence, optimality, recklessness, hesitancy and decisiveness. A fictitious medical decision making test and three standard cognitive ability tests (extended with confidence ratings and a ‘submit answer for marking’ decision) were used to investigate the psychometric properties of these DPA variables. Internal consistency of the decision patterns ranged from good to excellent. Convergent validity was assessed via cognitive abilities, metacognitive confidence and a control criterion imposed on confidence that determines the decision to be made: the point of sufficient certainty. Personality variables were included to assess discriminant validity. As hypothesised, cognitive abilities showed positive correlations with competence and optimality. High confidence, low points of sufficient certainty and a greater discrepancy between them were associated with higher decisiveness and recklessness, and lower hesitancy. Personality measures showed mixed and generally weak correlations with the DPA variables. These convergent and discriminant results also held after controlling for all variables in regression. The results provide preliminary psychometric support for DPA as a general framework of behavioral decision making. DPA has the potential to be exploited in many contexts for uses that, to date, have been unachievable in a psychometrically valid manner. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
223.
224.
Laurie S. Miller Harold S. Koplewicz Rachel G. Klein 《Journal of abnormal child psychology》1997,25(2):113-119
Age and sex norms of classroom behavior in preschoolers were established on a standard measure, the Revised Conners Teacher Rating Scale, and the utility of this measure for assessing problem behavior in preschoolers was examined. Teachers provided ratings for 455 nonreferred preschoolers. In addition, ratings were obtained for 12 clinically referred preschoolers diagnosed with attention deficit hyperactivity disorder. The Conduct Problems, Inattention, and Hyperactivity subscales, as well as the Hyperactivity Index, were found to have good internal reliability and were related to each other in predictable ways. Normative data are presented by age and sex. Age was inversely related to scores for the Conduct Problems subscale, the Hyperactivity subscale and the Index. Sex was a significant predictor of subscale scores, with boys receiving higher scores than girls. Subscale scores and nearly all item scores were highly significantly different between clinically referred and nonreferred preschoolers. The results provide a standard upon which to evaluate preschool-aged children in clinical and research settings. 相似文献
225.
Mullins E Agunwamba CC Donohoe AJ 《Journal of the experimental analysis of behavior》1982,37(2):323-327
In a review of 103 sets of data from 23 different studies of choice, Baum (1979) concluded that whereas undermatching was most commonly observed for responses, the time measure generally conformed to the matching relation. A reexamination of the evidence presented by Baum concludes that undermatching is the most commonly observed finding for both measures. Use of the coefficient of determination by both Baum (1979) and de Villiers (1977) for assessing when matching occurs is criticized on statistical grounds. An alternative to the loss-in-predictability criterion used by Baum (1979) is proposed. This alternative statistic has a simple operational meaning and is related to the usual F-ratio test. It can therefore be used as a formal test of the hypothesis that matching occurs. Baum (1979) also suggests that slope values of between .90 and 1.11 can be considered good approximations to matching. It is argued that the establishment of a fixed interval as a criterion for determining when matching occurs, is inappropriate. A confidence interval based on the data from any given experiment is suggested as a more useful method of assessment. 相似文献
226.
227.
Teacher expectations, classroom context, and the achievement gap 总被引:4,自引:0,他引:4
In two independent datasets with 1872 elementary-aged children in 83 classrooms, Studies 1 and 2 examined the role of classroom context in moderating the relationship between child ethnicity and teacher expectations. For Study 1 overall and Study 2 mixed-grade classrooms, in ethnically diverse classrooms where students reported high levels of differential teacher treatment (PDT) towards high and low achieving students, teacher expectations of European American and Asian American students were between .75 and 1.00 standard deviations higher than teacher expectations of African American and Latino students with similar records of achievement. In highly diverse low-PDT classrooms in Study 1 and highly diverse low-PDT mixed-grade classrooms in Study 2, teachers held similar expectations for all students with similar records of achievement. Study 3 estimated the contribution of teacher expectations to the year-end ethnic achievement gap in high- and low-bias classrooms. In high-bias classrooms, teacher expectancy effects accounted for an average of .29 and up to .38 standard deviations of the year-end ethnic achievement gap. 相似文献
228.
Lay See Yeo Rebecca P. Ang Wan Har Chong Vivien S. Huan Choon Lang Quek 《Current psychology (New Brunswick, N.J.)》2008,27(3):192-204
This paper focused on the efficacy of Singapore teachers who teach low achieving adolescent students. Three dimensions of
self-reported teacher efficacy—instructional strategies, classroom management, and student engagement—were examined in relation
to teacher attributes and the teacher–student relationship. Data were obtained from the Teacher Self-Efficacy Scale Tschannen-Moran
and Woolfolk Hoy (Teaching and Teacher Education 17:783–805, 2001) and the Teacher–Student Relationship Scale Ang (The Journal of Experimental Education 74:55–73, 2005). Significant differences between novice teachers and experienced teachers emerged in teacher efficacy beliefs in relation
to instructional strategies, classroom management, and student engagement. Conflict in teacher–student relationship was found
to predict teacher efficacy for teachers of low achieving students. Implications for teachers’ professional development were
discussed. 相似文献
229.
This preliminary study compared brief (1 s) and extended (4 s) wait-time on response opportunities, academic responses, accuracy,
and disruptive behavior of two children with challenging behavior during small group instruction. Brief wait-time increased
children’s response opportunities, academic responses, and accuracy in comparison to extended wait-time. Though variable,
brief wait-time also decreased children’s disruptive behavior. Findings differ from previous research, which found performance
improvements with extended wait-time for children with moderate to profound cognitive disabilities. Limitations of the study
and future research suggestions are discussed. 相似文献
230.
大量研究表明,一般情况下用合成信度可以较好地估计测验信度。对于合成信度及其置信区间的估计方法,在单维测验的情形已有不少研究。但罕有研究讨论多维测验合成信度的区间估计方法。本文用Delta法推导出计算多维测验合成信度的标准误公式,进而计算置信区间,并用一个例子说明如何编程估计多维测验合成信度及其置信区间。 相似文献