The effect of data collection mode on smoking attitudes and behavior in young African American and Latina women: face-to-face interview versus self-administered questionnaires

Article Abstract:

This article examines the effectiveness of two types of survey modes, face-to-face interviews and self-administered questionnaires, used to collect data regarding smoking prevention and cessation programs. The authors, employing both modes with 601 female Latinas and African Americans ages 16-21, conclude both are equally effective.

Evaluation, Beliefs, opinions and attitudes, Smoking, Interviews, Sociology, Surveys, Surveys (Studies), Sociological methods, Hispanic American women, Questionnaires, African American women

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Statistical power for nonequivalent pretest-posttest designs: the impact of change-score versus ANCOVA models

Article Abstract:

Issues related statistical power in retest-posttest designs are examined, focusing on the need to develop approaches that guarantee statistical reliability. Topics include methods for data analysis and recommendations for calculating statistical power.

Standards, Statistics (Data), Statistical sampling, Sampling (Statistics)

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MULTILEVEL MEDIATION MODELING IN GROUP-BASED INTERVENTION STUDIES

Article Abstract:

The author examines the methodology of measuring success levels of mediation in group interventions. Information regarding measuring effects, group behaviors, and individual behavior within groups are examined.

Models, Mediation, Behavior modification

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