In this study the Type I error and power properties of the ANOVA (F) test, the Kruskal-Wallis (KW) test, and the Welch test (W) followed by four post hoc procedures: the Tukey-Kramer, the Games-Howell, the Joint ranking, and the Separate ranking were examined by means of Monte C…
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This research study attempted to determine if extrinsic motivation is less effective than intrinsic motivation in terms of abstinence from alcohol and drug use in legally mandated clients. Forty-seven males identified as having a substance abuse problem, on ankle monitor, curren…