In M. Washburn\'s study(above), the type of tv program watched by the participan

Question

In M. Washburn's study(above), the type of tv program watched by the participants was the: a. Experimental group. b. Outcome variable. c. Dependent variable. d. Correlational group e. None of the above is the correct answer. In testing the relationship between test-taking training and test-taking strategies, W. James found that participants who reported having more training used fewer maladaptive strategies during testing. The relationship between training sessions and maladaptive strategies represents: a. A naturalistic observation. b. A dependent variable c. A negative correlation. d. A controlled formal study. e. None of the above is the correct answer. Knowing that two variables are correlated does not allow us to say that one variable causes the other. However it DOES allow us to: a. Explain how one variable exerts its effects on the other. b. Respond to the effects of one variable on the other. c. Correlate the two variables to see which came first. d. Predict the value of one variable from the value of the other. e. None of the above is the correct answer. According to Lahey, what is ONE purpose of blind experiments? a. To include blind people in the study because their information helps in generalization. b. To design a controlled method for calculating the experimental data. c. To maintain the direction of the correlation. d. To reduce the possibility of bias on the part of the experimenter. e. None of the above is the correct answer. A negative sign in a correlation coefficient tells us: a. About the direction of the correlation. b. That it is a weak relationship. c. That as the value of one variable goes up, so does the value of the other. d. That the two variables are not very strongly correlated. e. None of the above is the correct answer. By definition, the variable that is manipulated by the researcher is: a. The correlational variable. b. The independent variable. c. The control variable. d. The dependent variable. e. None of the above is the correct answer.

Explanation / Answer

20) In a scientific experiment, the dependent variable is the variable being tested in the experiment and independent variable is the one that is changed to test the effects on dependent variable. M. Washburn's study was conducted to investigate the effect of physical activity on the association between television viewing and overweight. The results of the study indicated that BMI and physical activity patterns were both associated with type of television program and the hours of television watched. Here the dependent variable is the type of television program watched and the independent variables are physical activity and BMI. So, the answer for this question is dependent variable (option c).

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