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Effect size measures for mediation models: quantitative strategies for communicating indirect effects.
The statistical analysis of mediation effects has become an indispensable tool for helping scientists investigate processes thought to be causal. Yet, in spite of many recent advances in theExpand
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Confidence Intervals for Standardized Effect Sizes: Theory, Application, and Implementation
The behavioral, educational, and social sciences are undergoing a paradigmatic shift in methodology, from disciplines that focus on the dichotomous outcome of null hypothesis significance tests toExpand
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Methods for the Behavioral, Educational, and Social Sciences: An R package
  • K. Kelley
  • Computer Science, Medicine
  • Behavior research methods
  • 1 November 2007
Methods for the Behavioral, Educational, and Social Sciences (MBESS; Kelley, 2007b) is an open source package for R that implements methods for the behavioral, educational, and social sciences. Expand
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The Effects of Perceived Corporate Social Responsibility on Employee Attitudes
ABSTRACT: We explore the impact on employee attitudes of their perceptions of how others outside the organization are treated (i.e., corporate social responsibility) above and beyond the impact ofExpand
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The Effects of Nonnormal Distributions on Confidence Intervals Around the Standardized Mean Difference: Bootstrap and Parametric Confidence Intervals
The standardized group mean difference, Cohen’s d, is among the most commonly used and intuitively appealing effect sizes for group comparisons. However, reporting this point estimate alone does notExpand
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Sample size planning for the coefficient of variation from the accuracy in parameter estimation approach
  • K. Kelley
  • Mathematics, Medicine
  • Behavior research methods
  • 1 November 2007
The accuracy in parameter estimation approach to sample size planning is developed for the coefficient of variation, where the goal of the method is to obtain an accurate parameter estimate byExpand
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Longitudinal Analysis of the Relations Between Opportunities to Learn About Science and the Development of Interests Related to Science
Relations between parental reports of children's interests related to science and opportunities for science learning were examined longitudinally in 192 children be- tween ages 4 and 7 years. ScienceExpand
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Infant temperament moderates relations between maternal parenting in early childhood and children's adjustment in first grade.
A differential susceptibility hypothesis proposes that children may differ in the degree to which parenting qualities affect aspects of child development. Infants with difficult temperaments may beExpand
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Sample size planning for the standardized mean difference: accuracy in parameter estimation via narrow confidence intervals.
Methods for planning sample size (SS) for the standardized mean difference so that a narrow confidence interval (CI) can be obtained via the accuracy in parameter estimation (AIPE) approach areExpand
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Analyzing Change: A Primer on Multilevel Models with Applications to Nephrology
The analysis of change is central to the study of kidney research. In the past 25 years, newer and more sophisticated methods for the analysis of change have been developed; however, as of yet theseExpand
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