Developing a Job-Related Self-Efficacy Scale among Construction Workers
Palabras clave:
Evaluation, Self-Efficacy, Construction Workers, QuestionnaireResumen
The object of this study is to show the procedure for developing and validating a job self-efficacy scale among construction workers, following the recommendations of Albert Bandura's Social Cognitive Theory. An adaptation of the Critical Incidents Technique was applied using interviews with 37 construction workers, who occupied different jobs. By using the Critical Incident Technique combined with qualitative content analysis, the main obstacles perceived by construction workers were identified. Based on this information we formulated 7 specific job self-efficacy items that referred to the workers' perceived effectiveness to overcome obstacles. This scale was included in a broader study to assess psychosocial factors among the construction sector. Semi-structured interviews were held with a total of 265 construction workers. The sample was randomly divided into; (1) a sub-sample (n=128) in which an exploratory factor analysis was carried out that resulted into one-factor of job self-efficacy; (2) a sub-sample (n=137) in which a confirmatory factor analysis was carried out that confirmed this one-factor model. This scale enabled us to evaluate job-related self-efficacy among construction workers, which is a key construct to not only understand workers' safety behavior in the construction industry, but also the possible antecedents and consequences of it (i.e., negligence or occupational accidents).
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