Toward an understanding of acceptance of electronic performance support systems : what drives users' perceptions regarding usefulness and ease of use?

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2012
Şumuer, Evren
This study aimed to explain and understand the acceptance of the Electronic Performance Support System (EPSS) on the basis of the Technology Acceptance Model (TAM). This mixed methods research study was conducted within the Crime Scene Investigation and Identification Units of the Turkish National Police. The quantitative data were collected from 209 police officers with a questionnaire to test the hypothesized relationships in TAM. At the same time, the qualitative data were collected through interviews with 15 police officers to acquire an in-depth understanding of the key beliefs (perceived usefulness and perceived ease of use) and facilitating conditions regarding the acceptance of the EPSS. Analysis of the quantitative data using Structural Equation Modeling showed that perceived usefulness, perceived ease of use, and attitude toward using the EPSS play important roles in the acceptance of the EPSS. Moreover, the content analysis of the interviews revealed that the EPSS was perceived as useful due to access to information, saving on time, performing tasks more accurately, reducing variability in work, making jobs easier, and other benefits. In addition, the results indicated that there were a variety of user personal, system, and organizational characteristics that influenced the perceived usefulness and perceived ease of use of the EPSS. Finally, the findings showed that support, environmental, organizational, and other conditions (e.g., experience and advantages) would facilitate the acceptance of the EPSS.

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Citation Formats
E. Şumuer, “ Toward an understanding of acceptance of electronic performance support systems : what drives users’ perceptions regarding usefulness and ease of use?,” Ph.D. - Doctoral Program, Middle East Technical University, 2012.