Table 2.

Factor Loadings for Factor Analysis and Principal Components Analysis

Content Adherence Principal Components Analysis (varimax rotation) Three Factor Solution
	Factor 1	Factor 2	Factor 3
Identified goals	−0.06	0.01	0.64a
Alcohol use, norms and consequences	−0.01	0.13	0.82a
Fighting, norms and consequences	0.11	0.09	0.80a
Reasons to Stay Away from Drinking	0.91a	0.24	0.11
Reasons to Stay Away from Fighting	0.93a	0.18	.07
Introduced Scenarios	0.94a	0.17	−0.13
Key Message of Scenario 1	0.93a	0.19	−0.03
Key Message of Scenario 2	0.94a	0.19	−0.06
Key Message of Scenario 3	0.93a	0.17	0.02
Key Message of Scenario 4	0.79a	0.31	−0.09
Key Message of Scenario 5	0.47	0.68	−0.18
Summarized Session	0.24	0.89a	0.02
Identified Appropriate Resources	0.18	0.82a	0.11
Identified one next step	0.21	0.90a	0.07

GROMIT Principal Components Analysis (varimax rotation)Two Factor Solution
	Factor 1	Factor 2
Provided feedback in objective fashion	0.30	0.78a
Avoided power struggles	0.30	0.80a
Understanding of client’s perspective	0.71a	0.27
Confidence in client’s ability to make changes	0.77a	0.16
Guided the client toward change talk	0.69	0.44
Expressed interest in client’s goals and values	0.75a	0.22
Did not attempt to persuade client	0.30	0.68a
Did not argue with client	0.40	0.75a
Did not assume expert role	0.16	0.85a
Encouraged client to contribute ideas: alcohol	0.76a	0.25
Encouraged client to contribute ideas: violence	0.71	0.39
Expressed approval of the client	0.70a	0.24
Directed attention toward client’s strengths	0.51a	0.23
Seemed genuine	0.40	0.72
Recognized and responded to change talk	0.65a	0.34
Did not steam roll the client	0.24	0.75a

^aMarker item for the factor (i.e. loading > 0.50 on the factor and < 0.35 on other factors.

1 ICC= Intra-class Correlation

Note: All items scored on a 7-point Likert type scale