TABLE 2.
MI | RT | Tx Effects | Dep. Effects | Tx by Dep. Effects | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dep. Symptoms | Dep. Symptoms | ||||||||||
High | Low | High | Low | Fa | Eta2 | Fa | Eta2 | Fa | Eta2 | ||
RCQ-M | Mb | .145 | .109 | .183 | .266 | 7.43 (1,176) | .041c | .28 (1,176) | .002d | 2.56 (1,176) | .014d |
SDb | .203 | .155 | .223 | .296 | p ≤ .007 | p ≥ .500 | p ≥ .100 | ||||
N | 65 | 31 | 59 | 26 | |||||||
RCQ-A | Mb | .069 | .088 | .089 | .147 | 2.80 (1,176) | .016d | 3.85 (1,176) | .021d | .93 (1,176) | .005d |
SDb | .117 | .155 | .149 | .209 | p ≤ .096 | p ≤ .051 | p ≥ .300 | ||||
N | 65 | 31 | 59 | 26 |
Note. MI = Motivational Interviewing; RT = Relaxation Training; Tx = treatment; Dep = depression; N = number of participants; M = mean; SD = standard deviation. Abbreviations: RCQ-A is Risks and Consequences Questionnaire-Alcohol; RCQ-M is Risks and Consequences Questionnaire-Marijuana.
F-statistic provided with degrees of freedom and associated p-levels.
Data shown are not log transformed.
Medium effect size (ES; Cohen, 1988).
Small ES. Eta2 is partial Eta2.