A researcher is investigating the effects of different amounts of exercise on weight. Some participants are assigned to a group that exercises 50 minutes a day, while others are assigned to a group that does no exercise each day
What are the independent and dependent variables in this experiment?
a) The dependent variable is weight; the independent variable is amount of exercise.
b) The independent variable is calories consumed; the dependent variable is diet.
c) The independent variable is weight; the dependent variable is calories consumed.
d) The dependent variable is amount of exercise; the independent variable is calories consumed.
ANS: A, The exercise is controlled by the experimenter and is, therefore, independent of anything the participants do, whereas the participants' weight is expected to be dependent on the amount of exercise.
You might also like to view...
You will need to consider which variables you will include in your graph because you may have a ______ for your x-axis and a ______ as your dependent variable for your y-axis.
A. continuous variable; categorical independent variable B. categorical dependent variable; continuous independent variable C. continuous independent variable; categorical variable D. categorical independent variable; continuous variable
Meghan receives damage to her brain’s right hemisphere and has developed aprosodia. From this, you can expect Meghan to have difficulties ____
a. ?speaking coherently b. ?using tone of voice properly when she speaks c. ?speaking fluently or smoothly d. ?understanding the words she is producing
When Lamont acts silly while his family is watching television, he receives no attention from the family. Lamont's silly behavior decreases due to his family's use of
a. nonreinforcement. b. positive punishment. c. negative reinforcement. d. respondent conditioning.
What experience is similar to losing proprioception?
A. Losing your sense of equilibrium B. Walking on a leg that has "fallen asleep" C. Having a phantom limb D. Teeth chattering in the cold