Necessary steps in factor analysis: Enhancing validation studies of educational instruments. The PHEEM applied to clerks as an example

References

• Aspegren K, Bastholt L, Bested KM, Bonnesen T, Ejlersen E, Fog I, Hertel T, Kodal T, Lund J, Madsen JS, et al. Validation of the PHEEM instrument in a Danish hospital setting. Med Teach 2007; 29: 504–506
   PubMed Web of Science ®Google Scholar
• Boor K, Scheele F, Van der Vleuten CPM, Scherpbier AJJA, Teunissen PW, Sijtsma K. Psychometric properties of an instrument to measure the clinical learning environment. Med Educ 2007; 41: 92–99
   PubMed Web of Science ®Google Scholar
• Cassar K. Development of an instrument to measure the surgical operating theatre learning environment as perceived by basic surgical trainees. Med Teach 2004; 26: 260–264
   PubMed Web of Science ®Google Scholar
• Clapham M, Wall D, Batchelor A. Educational environment in intensive care medicine – use of Postgraduate Hospital Educational Environment Measure (PHEEM). Med Teach 2007; 29: e184–e191
   PubMed Web of Science ®Google Scholar
• Deketelaere A, Kelchtermans G, Struyf E, De Leyn P. Disentangling clinical learning experiences: An exploratory study on the dynamic tensions in internship. Med Educ 2006; 40: 908–915
   PubMed Web of Science ®Google Scholar
• De Oliveira Filho GR, Vieira JE, Schonhorst L. Psychometric properties of the Dundee Ready Educational Environment Measure (DREEM) applied to medical residents. Med Teach 2005; 27: 343–347
   PubMed Web of Science ®Google Scholar
• Fabrigar LR, Wegener DT, MacCallum RC, Strahan EJ. Evaluating the use of exploratory factor analysis in psychological research. Psychol Methods 1999; 4: 272–299
   Web of Science ®Google Scholar
• Field A. Discovering statistics using SPSS, 2nd. Sage Publications, London 2006
   Google Scholar
• Gorsuch RL. Factor analysis, 2nd. Lawrence Erlbaum Associates, Hillsdale, NJ 1983
   Google Scholar
• Hatcher L. A step-by-step approach to using the SAS system for factor analysis and structural equation modeling. SAS Institute Inc, Cary, NC 1994
   Google Scholar
• Henson RK, Roberts JK. Use of exploratory factor analysis in published research: Common errors and some comment on improved practice. Educ Psychol Meas 2006; 66: 393–416
   Web of Science ®Google Scholar
• Holt MC, Roff S. Development and validation of the Anaesthetic Theatre Educational Environment Measure (ATEEM). Med Teach 2004; 26: 553–558
   PubMed Web of Science ®Google Scholar
• Jaccard J, Wan CK. LISREL Approaches to interaction effects in multiple regression. Sage Publications, Thousand Oaks 1996
   Google Scholar
• Kanashiro J, McAleer S, Roff S. Assessing the educational environment in the operating room – a measure of resident perception at one Canadian institution. Surgery 2006; 139: 150–158
   PubMed Web of Science ®Google Scholar
• Kieffer KM. An introductory primer on the appropriate use of exploratory and confirmatory factor analysis. Res Schools 1999; 6: 75–92
   Google Scholar
• Lee N, Hooley G. The evolution of ‘classical mythology’ within marketing measure development. Eur J Mark 2005; 39: 365–385
   Web of Science ®Google Scholar
• Miles S, Leinster SJ. Medical students’ perceptions of their educational environment: Expected versus actual perceptions. Med Educ 2007; 41: 265–272
   PubMed Web of Science ®Google Scholar
• Nagraj S, Wall D, Jones E. Can STEEM be used to measure the educational environment within the operating theatre for undergraduate medical students?. Med Teach 2006; 28: 642–647
   PubMed Web of Science ®Google Scholar
• Nunnally JC. Psychometric theory, 2nd. McGraw-Hill, New York 1978
   Google Scholar
• Parry J, Mathers J, Al-Fares A, Mohammad M, Nandakumar M, Tsivos D. Hostile teaching hospitals and friendly district general hospitals: Final year students’ views on clinical attachment locations. Med Edu 2002; 36: 1131–1141
   PubMed Web of Science ®Google Scholar
• Pedhazur EJ, Schmelkin LP. Measurement, design, and analysis: An integrated approach. Lawrence Erlbaum Associates, Hillsdale, NJ 1991
   Google Scholar
• Pimparyon P, Roff S, McAleer S, Poonchai B, Pemba S. Educational environment, student approaches to learning and academic achievement in a Thai nursing school. Med Teach 2000; 22: 359–364
   Web of Science ®Google Scholar
• Roff S, McAleer S, Harden RM, Al-Qahtani M, Ahmed AU, Deza H, Groenen G, Primparyon P. Development and validation of the Dundee Ready Education Environment Measure (DREEM). Med Teach 1997; 19: 295–299
   Web of Science ®Google Scholar
• Roff S, McAleer S, Skinner A. Development and validation of an instrument to measure the postgraduate clinical learning and teaching educational environment for hospital-based junior doctors in the UK. Med Teach 2005; 27: 326–331
   PubMed Web of Science ®Google Scholar
• Rummel RJ. Applied factor analysis. Northwestern University Press, Evanston 1977
   Google Scholar
• Shuell TJ. The role of the student in learning from instruction. Contemp Educ Psychol 1988; 13: 276–295
   Web of Science ®Google Scholar
• Sobral DT. Medical students’ self-appraisal of first-year learning outcomes: Use of the course valuing inventory. Med Teach 2004; 26: 234–238
   PubMed Web of Science ®Google Scholar
• Stuive I, Kiers HAL, Timmerman ME, Ten Berge JMF. The empirical verification of an assignment of items to subtests: The Oblique Multiple Group Method versus the Confirmatory Common Factor Analysis. Educ Psychol Meas [E-publication ahead of print] 2008
   Google Scholar
• Tabachnick BG, Fidell LS. Using Multivariate Statistics, 3rd. Harper & Collins College Publishers, New York 1996
   Google Scholar
• Velicer WF, Jackson DN. Component analysis versus common factor analysis: Some issues in selecting an appropriate procedure. Multiv Behav Res 1990; 25: 1–28
   PubMed Web of Science ®Google Scholar
• Vermunt JD. Metacognitive, cognitive and affective aspects of learning styles and strategies: A phenomenographic analysis. Higher Educ 1996; 31: 25–50
   Google Scholar
• Vermunt JD, Verloop N. Congruence and friction between learning and teaching. Learn Instruc 1999; 9: 257–280
   Web of Science ®Google Scholar
• Wood JM, Tataryn DJ, Gorsuch RL. Effects of under- and overextraction on principal axis factor analysis with varimax rotation. Psychol Methods 1996; 1: 354–365
   Web of Science ®Google Scholar