Code Used

Statistic Reported



Mean Weighted Effect Size

Barlow, K.M. (2013) A Meta-Analysis of Transformational Leadership and Subordinate Nursing Personnel Organizational Commitment, Job Satisfaction, and Turnover Intentions.


Mean Correlation Corrected for Error of Measurement in Both Predictor and Criterion Variable

Davis, A.L. and Rothstein, H.R. (2006) The Effects of the Perceived Behavioral Integrity of Managers on Employee Attitudes: A Meta-analysis. Journal Of Business Ethics, 67, 407-419.


Sample Size Weighted Mean


DeGroot, T. and Kiker, D.S. (2003) A Meta-Analysis of the Non-Monetary Effects of Employee Health Management Programs. Human Resource Management, 42, 53-69.



True Correlation

DeGroot, T, Kiker, D.S. and Cross, T.C. (2000) A Meta-Analysis to Review Organizational Outcomes Related to Charismatic Leadership. Canadian Journal of Administrative Sciences (Canadian Journal of Administrative Sciences), 17, 356-371.


Mean Correlation

Corrected for

Measurement Error in Both the Predictor and Criterion Scores

Derue, D.S., Nahrgang, J.D., Wellman, N. and Humphrey, S.E. (2011) Trait and Behavioral Theories of Leadership: An Integration and Meta-Analytic Test of Their Relative Validity. Personnel Psychology, 64, 7-52.


Mean Weighted


Dirks, K.T. and Ferrin, D.L. (2002) Trust in Leadership: Meta-Analytic Findings and Implications for Research and Practice. Journal of Applied Psychology, 87, 611-628.


Mean Weighted Correlation

Dulebohn, J.H., Bommer, W.H., Liden, R.C., Brouer, R.L. and Ferris, G.R. (2012) A

Meta-Analysis of Antecedents and Consequences of Leader-Member Exchange: Integrating the Past with an Eye toward the Future. Journal of Management, 38, 1715-1759.


Estimated True Score


Judge, T.A., Piccolo, R.F. and Ilies, R. (2004) The Forgotten Ones? The Validity of Consideration and Initiating Structure in Leadership Research. Journal of Applied Psychology, 89, 36-51.


Estimated True Score


Judge, T.A. and Piccolo, R.F. (2004) Transformational and Transactional Leadership: A Meta-Analytic Test of Their Relative Validity. Journal of Applied Psychology, 89, 755-768


Sample Size Weighted Mean Observed Correlation Corrected for Unreliability in Both Measures

Mesmer-Magnus, J., Glew, D.J. and Viswesvaran, C. (2012) A Meta-Analysis of Positive Humor in the Workplace. Journal of Managerial Psychology, 27, 155-190.


Correlations Corrected for Sampling Error and for Measurement Unreliability

Nahrgang, J.D., Morgeson, F.P. and Hofmann, D.A. (2011) Safety at Work: A Meta-Analytic Investigation of the Link Between Job Demands, Job Resources, Burnout, Engagement, and Safety Outcomes. Journal of Applied Psychology, 96, 71-94.


Sample Size Weighted Corrected Correlation

Ng, T.W.H. and Feldman, D.C. (2014) Ethical Leadership: Meta-Analytic Evidence of Criterion-Related and Incremental Validity. Journal of Applied Psychology.


Estimated Mean



Oh, I.-S., Guay, R. P., Kim, K., Harold, C. M., Lee, J.-H., Heo, C.-G. and Shin, K.-H. (2014) Fit Happens Globally: A Meta-Analytic Comparison of the Relationships of Person- Environment Fit Dimensions with Work Attitudes and Performance Across East Asia, Europe, and North America. Personnel Psychology, 67, 99-152.


Weighted Mean Correlations Corrected for Unreliability

Parker, C.P., Baltes, B.B., Young, S.A., Huff, J.W., Altmann, R.A., Lacost, H.A. and

Roberts, J.E. (2003) Relationships between Psychological Climate Perceptions and Work Outcomes: A Meta-Analytic Review. Journal of Organizational Behavior, 24, 389-416.


N-Weighted Mean

Population Correlation

Podsakoff, P.M., Bommer, W.H., Podsakoff, N.P. and MacKenzie, S.B. (2006) Relationships between Leader Reward and Punishment Behavior and Subordinate Attitudes, Perceptions, and Behaviors: A Meta-Analytic Review of Existing and New Research. Organizational Behavior and Human Decision Processes, 99, 113-142.


Estimated True Score Correlation Corrected for Measurement Error

Rockstuhl, T., Dulebohn, J.H., Ang, S. and Shore, L.M. (2012) Leader-Member Exchange (LMX) and Culture: A Meta-Analysis of Correlates of LMX across 23 Countries. Journal Of Applied Psychology, 97, 1097-1130.


Pooled Effect Sizes

Saber, D.A. (2014) Frontline Registered Nurse Job Satisfaction and Predictors over Three Decades: A Meta-Analysis from 1980 to 2009. Nursing Outlook, 62, 6.


Correlation Corrected for Unreliability Where This Information was Available in the Primary Studies

Schyns, B. and Schilling, J. (2013) How Bad Are the Effects of Bad Leaders? A Meta-Analysis of Destructive Leadership and Its Outcomes. The Leadership Quarterly, 24, 138-158.