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PC anxiety: reliability and validity of a brief scale
1Department of Economics and International Business, Bennett S. Lebow College of Business, Drexel University, Philadelphia, PA 19104, USA.
Perceptual and Motor Skills
|November 19, 2002
Summary
A new six-item scale effectively measures personal computer (PC) use confidence. The scale demonstrates good internal reliability and construct validity, making it useful for research.
Area of Science:
- Psychometrics
- Human-Computer Interaction
Background:
- Assessing user confidence in technology is crucial for understanding adoption and effective use.
- Existing measures may not adequately capture nuanced aspects of computer confidence.
Purpose of the Study:
- To develop and validate a brief, reliable, and valid scale to measure confidence in personal computer (PC) use.
Main Methods:
- A six-item scale was developed.
- Internal reliability was assessed using Cronbach's alpha.
- Construct validity was examined using point-biserial correlations with behavioral use items.
Main Results:
- The scale demonstrated good internal reliability with a Cronbach's alpha of .76.
- The scale showed evidence of construct validity, with significant correlations between scale items and behavioral use (r(pb)s = -.16, -.18, -.22).
Conclusions:
- The brief six-item scale is a reliable and valid instrument for measuring confidence in personal computer use.
- This scale can be a valuable tool for researchers investigating factors related to technology adoption and user behavior.