In an experiment to assess the relationship between nutrition and intelligence,one group of children is given a power bar containing a special vitamin supplement on a daily basis.A second group of children is given an identical-looking power bar but without the supplement.Later,all children are given an intelligence test.In this experiment,the children's scores on the intelligence test are the ______ variable.

Question

Quizplus · Accepted Answer

The intelligence scores are the variable being measured and are therefore the dependent variable. The type of power bar (with or without the supplement) is the independent variable. The term "control" refers to the standardization of all other conditions in the experiment to ensure that any differences in the dependent variable can be attributed to the independent variable. The term "cross-sequential" refers to a study design that combines both cross-sectional and longitudinal approaches and is not relevant to this scenario.

In an Experiment to Assess the Relationship Between Nutrition and Intelligence,one