TABLE 1.
Domain/Scale and number of items | Cronhach’s Alpha | Source | Sample Item |
---|---|---|---|
Independent variables | |||
Demographic | |||
Gender | NA | 1: Female, 2: Male | |
Age | NA | Age at Time 4 | |
Ethnicity | NA | Are you Hispanic? (1: AA, 2: PR) | |
Socioeconomic status – 5 items | NA | Combination of education level and job status of parents | |
Psychological Difficulty: Antisocial behavior | |||
Risk taking – 8 items | .75 | Jackson (41) | Do you like to live dangerously? |
Rebellion – 3 items | .68 | Smith & Fogg (42) | Do you enjoy doing things you shouldn’t, just for the fun of it? |
Psychological Difficulty: Poor self-control | |||
Impulsivity – 4 items | .66 | Jackson (41); Brook, Brook, Gordon, Whiteman & Cohen (10) | Do you often act on the spur of the moment without stopping to think? |
Psychological Difficulty: Internalizing problems | |||
Depression – 8 items | .83 | Derogatis (43) | Do you sometimes feel unhappy, sad, or depressed? |
Anxiety – 3 items | .76 | Derogatis (43) | Over the last few years, how much were you bothered by feeling fearful? |
Interpersonal hypersensitivity* - 4 items | .72 | Derogatis (43) | Over the last few years, how much were you bothered by feeling easily annoyed or irritated? |
Interpersonal hypersensitivity was originally named interpersonal sensitivity in the source material.
Note 1. The alphas are estimated from our data.
2. AA=African American, PR=Puerto Rican