For the following scenarios, identify which is an example of an experimental research design and which is an example of a correlational research design. For the study you designated as experimental, please identify the following: independent variable (IV), dependent variable (DV), experimental group, and control group. For the study that you designated as correlational, please identify the following: both variables being correlated and the direction (Positive or Negative) of the correlation.

  • Scenario 1: A fitness instructor wants to test the effectiveness of a performance-enhancing herbal supplement on students in his exercise class. The instructor gives Group A The herbal supplement and Group B receives the placebo. The students’ fitness level is compared before and after six weeks of consuming the supplement or the sugar pill. His data do not support his hypothesis that the herbal supplement had an effect on fitness levels.
  • Scenario 2: A social psychologist is interested discovering if whether women who are taller have a stronger career orientation. She measures height and gives a survey to women that measures many personality variables, including career orientation. Her data support her hypothesis that women who are taller had stronger career orientations.

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