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ERIC Number: EJ1094474
Record Type: Journal
Publication Date: 2016-May
Pages: 13
Abstractor: As Provided
Reference Count: 63
ISSN: ISSN-1382-4996
Can Student Self-Ratings Be Compared with Peer Ratings? A Study of Measurement Invariance of Multisource Feedback
Lee, Keng-Lin; Tsai, Shih-Li; Chiu, Yu-Ting; Ho, Ming-Jung
Advances in Health Sciences Education, v21 n2 p401-413 May 2016
Measurement invariance is a prerequisite for comparing measurement scores from different groups. In medical education, multi-source feedback (MSF) is utilized to assess core competencies, including the professionalism. However, little attention has been paid to the measurement invariance of assessment instruments; that is, whether an instrument holds the same meaning across different rater groups. To examine the measurement invariance of the National Taiwan University professionalism MSF (NTU P-MSF) in order to determine whether medical students' self-rating can be compared to their peers' rating. An eight-factor model was specified for confirmatory factor analysis to examine the construct validity of the NTU P-MSF. Cronbach's alpha was computed for the items of each domain to evaluate internal consistent reliability. The same eight-factor model was used for multi-group confirmatory factor analyses. Four hierarchical models were specified to test configural (i.e., identical factor-item relationship), metric (i.e., identical factor loadings), scalar (i.e., identical intercepts), and error variance across self-rating and peer rating groups. One hundred and twenty second-year medical students from weekly discussion groups conducted as part of a medical professionalism course agreed to use the NTU P-MSF to assess themselves or their discussion group peers. NTU P-MSF assessment scores were a good fit for the eight-factor model among self group and peer group. The Cronbach's alpha coefficients of students' NTU P-MSF scores and peers' scores ranged from 0.76 to 0.89 and 0.84 to 0.91, respectively indicating that the NTU P-MSF scores also have good internal consistent reliability between both groups. In addition, same factor structure and similar factor loadings and intercepts of NTU P-MSF scores between both groups indicate that NTU P-MSF scores had configural, metric, and scalar invariance. Thus, students' self-assessments and peer assessments can be compared in terms of the constructs of NTU P-MSF scores, change in NTU P-MSF scores, and its factor scores. This study demonstrates how to investigate the measurement invariance of a professionalism MSF and contributes to the discussion on self- and peer assessment in medical education.
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Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Taiwan