Search Results - "Maccallum, C."

Applications of structural equation modeling in psychological research by MACCALLUM, R. C, AUSTIN, J. T

“…This chapter presents a review of applications of structural equation modeling (SEM) published in psychological research journals in recent years. We focus…”
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P047 Adenomyoepithelioma of the breast: a case series of a rare pathology by Ruecker, K., MacCallum, C., Marascia, D., Collins, J.

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Chronic Stress and Age-Related Increases in the Proinflammatory Cytokine IL-6 by Kiecolt-Glaser, Janice K., Preacher, Kristopher J., MacCallum, Robert C., Atkinson, Cathie, Malarkey, William B., Glaser, Ronald

“…Overproduction of IL-6, a proinflammatory cytokine, is associated with a spectrum of age-related conditions including cardiovascular disease, osteoporosis,…”
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Use of the Extreme Groups Approach: A Critical Reexamination and New Recommendations by Preacher, Kristopher J, Rucker, Derek D, MacCallum, Robert C, Nicewander, W. Alan

“…Analysis of continuous variables sometimes proceeds by selecting individuals on the basis of extreme scores of a sample distribution and submitting only those…”
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Evaluating the Use of Exploratory Factor Analysis in Psychological Research by Fabrigar, Leandre R, Wegener, Duane T, MacCallum, Robert C, Strahan, Erin J

“…Despite the widespread use of exploratory factor analysis in psychological research, researchers often make questionable decisions when conducting these…”
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On the Practice of Dichotomization of Quantitative Variables by MacCallum, Robert C, Zhang, Shaobo, Preacher, Kristopher J, Rucker, Derek D

“…The authors examine the practice of dichotomization of quantitative measures, wherein relationships among variables are examined after 1 or more variables have…”
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Sample Size in Factor Analysis: The Role of Model Error by MacCallum, Robert C., Widaman, Keith F., Preacher, Kristopher J., Hong, Sehee

“…This article examines effects of sample size and other design features on correspondence between factors obtained from analysis of sample data and those…”
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Using Parcels to Convert Path Analysis Models Into Latent Variable Models by Coffman, Donna L., MacCallum, Robert C.

“…The biasing effects of measurement error in path analysis models can be overcome by the use of latent variable models. In cases where path analysis is used in…”
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Power Analysis and Determination of Sample Size for Covariance Structure Modeling by MacCallum, Robert C, Browne, Michael W, Sugawara, Hazuki M

“…A framework for hypothesis testing and power analysis in the assessment of fit of covariance structure models is presented. We emphasize the value of…”
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Testing Differences Between Nested Covariance Structure Models: Power Analysis and Null Hypotheses by MacCallum, Robert C, Browne, Michael W, Cai, Li

“…For comparing nested covariance structure models, the standard procedure is the likelihood ratio test of the difference in fit, where the null hypothesis is…”
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Sample Size in Factor Analysis by MacCallum, Robert C, Widaman, Keith F, Zhang, Shaobo, Hong, Sehee

“…The factor analysis literature includes a range of recommendations regarding the minimum sample size necessary to obtain factor solutions that are adequately…”
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Exploratory factor analysis in behavior genetics research: factor recovery with small sample sizes by Preacher, Kristopher J, MacCallum, Robert C

“…Results of a Monte Carlo study of exploratory factor analysis demonstrate that in studies characterized by low sample sizes the population factor structure can…”
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Recovery of Weak Common Factors by Maximum Likelihood and Ordinary Least Squares Estimation by Briggs, Nancy E., MacCallum, Robert C.

“…This article examines the relative performance of two commonly used methods of parameter estimation in factor analysis, maximum likelihood (ML) and ordinary…”
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The Use of Causal Indicators in Covariance Structure Models: Some Practical Issues by MacCallum, Robert C, Browne, Michael W

“…In conventional representations of covariance structure models, indicators are defined as linear functions of latent variables, plus error. In an alternative…”
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Pathological CNS Autoimmune Disease Triggered by Traumatic Spinal Cord Injury: Implications for Autoimmune Vaccine Therapy by Jones, T. Bucky, Basso, D. Michele, Sodhi, Ajeet, Pan, Jonathan Z, Hart, Ronald P, MacCallum, Robert C, Lee, Sunhee, Whitacre, Caroline C, Popovich, Phillip G

“…Lymphocytes respond to myelin proteins after spinal cord injury (SCI) and may contribute to post-traumatic secondary degeneration. However, there is increasing…”
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A Multilevel Approach to the Relationship Between Birth Order and Intelligence by Wichman, Aaron L., Rodgers, Joseph Lee, MacCallum, Robert C.

“…Many studies show relationships between birth order and intelligence but use cross-sectional designs or manifest other threats to internal validity. Multilevel…”
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Psychological Influences on Surgical Recovery: Perspectives From Psychoneuroimmunology by Kiecolt-Glaser, Janice K, Page, Gayle G, Marucha, Phillip T, MacCallum, Robert C, Glaser, Ronald

“…Greater fear or distress prior to surgery is associated with a slower and more complicated postoperative recovery. Although anxiety presumably interferes with…”
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THE MAINTENANCE OF REPRODUCTIVE ISOLATION IN A MOSAIC HYBRID ZONE BETWEEN THE FIRE-BELLIED TOADS BOMBINA BOMBINA AND B. VARIEGATA by Vines, T. H, Köhler, S. C, Thiel, M, Ghira, I, Sands, T. R, MacCallum, C. J, Barton, N. H, Nürnberger, B

“…Mosaic hybrid zones arise when ecologically differentiated taxa hybridize across a network of habitat patches. Frequent interbreeding across a small-scale…”
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Chronic stress modulates the immune response to a pneumococcal pneumonia vaccine by Glaser, R, Sheridan, J, Malarkey, W B, MacCallum, R C, Kiecolt-Glaser, J K

“…Influenza and pneumonia account for significant morbidity and mortality, particularly in older individuals. Previous studies have shown that spousal caregivers…”
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Evidence for a shift in the Th-1 to Th-2 cytokine response associated with chronic stress and aging by Glaser, R, MacCallum, R C, Laskowski, B F, Malarkey, W B, Sheridan, J F, Kiecolt-Glaser, J K

“…A number of studies have shown that the chronic stress of caring for persons with dementia can have significant immunological consequences as demonstrated by…”
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