1. Conceptualizing the Multidimensional Nature of Self-Efficacy: Assessment of Situational Context and Level of Behavioral Challenge to Maintain Safer Sex Murphy, Debra A.; Stein, Judith A.; Schlenger, William; Maibach, Edward; NIMH Multisite HIV Prevention Trial Group 2001 Articles Structural equation modelingSelf-efficacyHIV (Viruses)--PreventionSex