easy · MCAT psych-soc

A 12-year-old is participating in a science fair and is asked to find out which variables (length of string, weight of ball, or height of release) affect the speed of a pendulum. The student systematically tests one variable at a time while holding the others constant. This behavior is indicative of:

  1. Transitive Inference
  2. Hypothetical-Deductive Reasoning
  3. Trial-and-Error Learning
  4. Concrete Logical Thought

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