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Unit 6: Data Collection and Sampling Methods

This review will guide you through an adaptive, research-backed study session. As you answer questions, we will actively assess your current understanding of the material. Questions will continue to be drawn until you have demonstrated mastery of each learning objective.

Reviews are graded based on completion. You will receive full credit for achieving 100% mastery or answering all questions.

Learning objectives for this review:

  • Describe different data collection methods: surveys, observational studies, and experiments.
  • Explain the importance of random sampling and identify different sampling techniques.
  • Discuss potential biases in sampling and how to mitigate them.