| The construct validity of the revised job diagnostic survey MA Buys, C Olckers, P Schaap South African journal of business management 38 (2), 33-40, 2007 | 95 | 2007 |
| The impact of coaching on the emotional and social intelligence competencies of leaders P Schaap, M Dippenaar South African Journal of Economic and Management Sciences 20 (1), 1-16, 2017 | 77 | 2017 |
| The relationship between leadership behaviour, outcomes of leadership and emotional intelligence C Coetzee, P Schaap SA Journal of Industrial Psychology 31 (3), 31-38, 2005 | 68 | 2005 |
| The relationship between leadership styles and emotional intelligence C Coetzee, P Schaap 6th Annual Conference for the Society of Industrial and Organizational …, 2004 | 60 | 2004 |
| A training programme based on the principles of social constructivism and focused on developing people for the future world of work: An evaluation J Cooper, J Basson, P Schaap Human Resource Development International 9 (4), 467-483, 2006 | 46 | 2006 |
| The construct equivalence of the job diagnostic survey for diverse South African cultural groups M Vorster, C Olckers, MA Buys, P Schaap SA Journal of Industrial psychology 31 (1), 31-37, 2005 | 32 | 2005 |
| Relationships between employee retention factors and attitudinal antecedents of voluntary turnover: An extended structural equation modelling approach P Schaap, C Olckers AOSIS Open Journals, 2020 | 28 | 2020 |
| Learning potential and academic literacy tests as predictors of academic performance for engineering students P Schaap, M Luwes Acta Academica 45 (3), 181-214, 2013 | 18 | 2013 |
| The differential item functioning and structural equivalence of a nonverbal cognitive ability test for five language groups P Schaap SA Journal of Industrial Psychology 37 (1), 01-16, 2011 | 15 | 2011 |
| Engagement of academic staff amidst COVID-19: The role of perceived organisational support, burnout risk, and lack of reciprocity as psychological conditions MR van der Ross, C Olckers, P Schaap Frontiers in Psychology 13, 874599, 2022 | 14 | 2022 |
| Job applicants’ attitudes towards cognitive ability and personality testing R Visser, P Schaap SA Journal of Human Resource Management 15 (1), 1-11, 2017 | 14 | 2017 |
| The construct equivalence and item bias of the PIB/SpEEx conceptualisation-ability test for members of five language groups in South Africa P Schaap, T Vermeulen SA Journal of Industrial Psychology 34 (3), 29-38, 2008 | 13 | 2008 |
| The construct equivalence of the PIB/SpEEx motivation index for job applicants from diverse cultural backgrounds P Schaap, JS Basson SA Journal of Industrial Psychology 29 (2), 49-59, 2003 | 13 | 2003 |
| Exploring the equivalence of the aviation gender attitude questionnaire for South African and Australian pilots: A cross-cultural comparison LP Vermeulen, P Schaap, JI Mitchell, A Kristovics The International Journal of Aviation Psychology 19 (4), 367-390, 2009 | 12 | 2009 |
| The construct validity of Schepers' Locus of Control Inventory for black and white tertiary students P Schaap, MA Buys, C Olckers SA Journal of Industrial Psychology 29 (1), 32-43, 2003 | 10 | 2003 |
| The structural validity of the Experience of Work and Life Circumstances Questionnaire (WLQ) P Schaap, E Kekana SA Journal of Industrial Psychology 42 (1), 1-16, 2016 | 9 | 2016 |
| Determining differential item functioning and its effect on the test scores of selected PIB Indexes, using item response theory techniques P Schaap OpenJournals, 2001 | 9 | 2001 |
| The development of a measure to assess perceptions of the advanced aircraft training climate P Naidoo, P Schaap, LP Vermeulen The International Journal of Aviation Psychology 24 (3), 228-245, 2014 | 8 | 2014 |
| The construct comparability of the PIB/SpEEx Stress Index for job applicants from diverse cultural groups in South Africa P Schaap South African Journal of Psychology 33 (2), 95-102, 2003 | 7 | 2003 |
| Measurement equivalence of the South African psychological ownership questionnaire for diverse South African cultural groups C Olckers, P Schaap Journal of Psychology in Africa 23 (4), 569-577, 2013 | 6 | 2013 |
