The volunteer functions inventory (VFI) and the theory of planned behaviour (TPB) stand as the most widely applied frameworks for understanding motivation and intentions underpinning participation in various activities. The traditionally reported alpha is constrained by its strict, often violated assumptions (McNeish, 2017; Streiner, 2003). In this study, we illustrate the roadblocks encountered when assessing the reliability of such psychometric tests (e.g., the VFI and TPB factors in this study align with findings from similar
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