Toward a Subjective Mental Workload Measure.

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Bibliographic Details
Title: Toward a Subjective Mental Workload Measure.
Language: English
Authors: Yeung, Alexander Seeshing, Lee, Cynthia Fong King, Pena, Isabel Maria, Ryde, Jeni
Peer Reviewed: N
Page Count: 16
Publication Date: 2000
Document Type: Reports - Research
Speeches/Meeting Papers
Descriptors: Cognitive Processes, College Students, Construct Validity, Foreign Countries, Higher Education, Prediction
Geographic Terms: Australia, Hong Kong
Abstract: The lack of a conceptually and psychometrically strong measure of human mental workload has undermined interpretations of research based on cognitive load theory. Applying a confirmatory factor analysis approach to construct validation, a Subjective Mental Workload Survey was developed with four distinct subscales: Difficulty, Incompetence, Affect, and Effort. Participants were 52 English-speaking students in Australia and 12 Chinese-speaking students in Hong Kong. For these participants, there were 383 records of scores. Although Difficulty typically used in previous cognitive load research, reasonably well reflected cognitive load, a Workload measure incorporating Difficulty, Incompetence, and Effort proved to be a better predictor of cognitive load. This Workload factor is applicable to analysis of group differences using statistical procedures such as analysis of variance, a finding that shows that tasks more likely to overload working memory score higher in Workload estimates. An appendix contains a list of variables used in the study and alpha reliability estimates. (Contains 50 references.) (Author/SLD)
Entry Date: 2001
Accession Number: ED446117
Database: ERIC
Description
Abstract:The lack of a conceptually and psychometrically strong measure of human mental workload has undermined interpretations of research based on cognitive load theory. Applying a confirmatory factor analysis approach to construct validation, a Subjective Mental Workload Survey was developed with four distinct subscales: Difficulty, Incompetence, Affect, and Effort. Participants were 52 English-speaking students in Australia and 12 Chinese-speaking students in Hong Kong. For these participants, there were 383 records of scores. Although Difficulty typically used in previous cognitive load research, reasonably well reflected cognitive load, a Workload measure incorporating Difficulty, Incompetence, and Effort proved to be a better predictor of cognitive load. This Workload factor is applicable to analysis of group differences using statistical procedures such as analysis of variance, a finding that shows that tasks more likely to overload working memory score higher in Workload estimates. An appendix contains a list of variables used in the study and alpha reliability estimates. (Contains 50 references.) (Author/SLD)