Construct Validation of the Indonesian Version of the Technology Acceptance Model (TAM) Instrument Using Confirmatory Factor Analysis (CFA)
DOI:
https://doi.org/10.17977/um039v11i22026p456-472Keywords:
Technology Acceptance Model, Construct Validity, Indonesian-Language Instrument, Confirmatory Factor Analysis, Technology AcceptanceAbstract
Technology acceptance requires instruments that accurately represent the constructs being measured, yet differences in sources, language, and context can affect measurement quality during adaptation. This study develops and validates an Indonesian-language Technology Acceptance Model (TAM) instrument comprising five constructs: Perceived Usefulness, Perceived Ease of Use, Attitude Toward Using, Behavioral Intention to Use, and Actual Use. The instrument was evaluated using 1,062 responses from high school and vocational high school students in West Java, with the data divided into two equal subsamples for initial and replication CFA. From the initial 23 indicators, four negatively worded indicators (PEOU4, ATU3, PU5, and BI1) showed low factor loadings and were removed, resulting in a 19-indicator model with excellent fit (CFI = 0.997; TLI = 0.997; RMSEA = 0.042; SRMR = 0.035), adequate convergent validity, and reliability. The resulting model was then tested through replication CFA without specification changes and showed excellent fit (CFI = 0.999; TLI = 0.999; RMSEA = 0.031; SRMR = 0.028). The final instrument provides an Indonesian-language measure of TAM constructs, with evidence of construct validity and reliability in the study sample. It can serve as a basis for future research on relationships among TAM constructs in technology adoption studies in Indonesia.
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