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| n | Specific aims to
evaluate |
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| n | 1) whether
increases in self‑efficacy |
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| predict
successful substance use |
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| outcomes (i.e.,
abstinence status, |
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| reduction in
symptoms, and quantity of |
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| use) |
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| n | 2) to examine
whether changes in the |
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| degree of
abstinence support received, |
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| moderated by
social investment, |
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| promote these
increases in self‑efficacy |
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