To determine if sugar-rich diets affect hyperactivity in kids, a researcher first received parental permission and then prepared two daily menus that children received for a 30-day period
A high-sugar diet was given to the boys, whereas the girls had a menu that seemed identical but was not a high sugar diet. At the end of 30 days, the boys and girls were evaluated to determine their levels of hyperactivity. In the study, the amount of sugar in each child's diet is the ________.
a) placebo
b) independent variable
c) dependent variable
d) control group
ANS: B, Because the amount of sugar in the diet is manipulated by the researcher, this would be the independent variable.
You might also like to view...
The fact that, when we look at an object, each one of our two eyes receives a slightly different image of the object is known as ______
a) retinal disparity b) binocular inversion c) convergence d) stereophonic vision
The term ________ refers to the learned expectation that one is capable of carrying out a behavior or producing a desired outcome in a particular situation
A) self-esteem B) self-concept C) self-competent D) self-efficacy