Chapter 2 Weinberg

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Across
  1. 2. A type of validity concerning whether the study was systematic and controlled
  2. 6. A type of validity concerning whether the finding has real world utility
  3. 8. Examine the physiological processes of the brain and their influence on physical activity
  4. 9. Based on observation
Down
  1. 1. Reflection
  2. 3. Selecting isolated variables that are of a crucial interest to study
  3. 4. Examination of how the manipulation of a variable(s) affects changes in others
  4. 5. Observing without changing the environment
  5. 7. Set of interrelated facts that present a systematic view