Cross-sectional studies usually involve data collection in ______ format.

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Cross-sectional studies typically involve collecting data through surveys. These surveys may include self-reported information from participants or collecting data through questionnaires or interviews. Observational studies often involve prolonged observation of participants, while secondary data involves analyzing pre-existing data without directly interacting with study subjects. Group studies may involve grouping participants into different treatment or control groups to test hypotheses.

Cross-Sectional Studies Usually Involve Data Collection in ______ Format