SAGE Journal Articles
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Learning Objectives: Distinguish between observational and causal research designs; Classify causal research designs as nonexperimental, experimental, or quasi-experimental; Assess strengths and weaknesses of a research design.
Summary: Uses a cross-sectional design to compare perceptions among members of a CrossFit gym and a traditional gym.
Learning Objectives: Distinguish between observational and causal research designs; Classify causal research designs as nonexperimental, experimental, or quasi-experimental; Assess strengths and weaknesses of a research design.
Summary: Reports a trend study that conducted annual surveys about tobacco advertising, promotions, and compliance with tobacco control policies by licensed tobacco retailers in New York State.
Learning Objectives: Classify causal research designs as nonexperimental, experimental, or quasi-experimental; Assess strengths and weaknesses of a research design; Apply design variations to enhance validity and efficiency.
Summary: Uses a factorial design with stratified random assignment in a randomized controlled trial.