Understanding Surveys, Experiments & Randomization Presentations

Gain an understanding of different sampling methods and learn to classify studies as experimental or observational. Develop the ability to distinguish between statistics and parameters and enhance skills in predicting outcomes effectively.

Study methodologies encompass surveys, observational studies, and experiments, each serving distinct roles in research. Surveys collect data from target groups through questionnaires or interviews, suitable for gauging public opinion or behaviors. Observational studies involve recording and analyzing subjects without interference, ideal for understanding natural behaviors or correlations. Experiments, characterized by controlled environments and manipulation of variables, establish cause-and-effect relationships. Understanding these methodologies enhances skills in selecting appropriate research designs, executing studies, and interpreting results in various research contexts.

Review of sampling techniques and exploration of sources of bias in data collection. Learners will understand various sampling methods and assess bias effectively.