A measurement is considered ________ if it actually measures what it is intended to measure, according to the topic of the study.
reliable
sociological
valid
quantitative
3.
Sociological studies test relationships in which change in one ________ causes change in another.
test subject
behavior
variable
operational definition
4.
In a study, a group of ten-year-old boys are fed doughnuts every morning for a week and then weighed to see how much weight they gained. Which factor is the dependent variable?
The doughnuts
The boys
The duration of a week
The weight gained
5.
Which statement provides the best operational definition of “childhood obesity”?
Children who eat unhealthy foods and spend too much time watching television and playing video games
A distressing trend that can lead to health issues including type 2 diabetes and heart disease
Body weight at least 20 percent higher than a healthy weight for a child of that height
The tendency of children today to weigh more than children of earlier generations