Whether depression levels are truly lower in a treatment group than in a control group is assessed by determining the _______ of the difference in scores between groups.

Question

Quizplus · Accepted Answer

Statistical significance is used to determine if the difference in scores between groups is not due to chance and is actually meaningful. Variance refers to the spread of scores within a group, validity refers to the accuracy of a measurement or study, and statistical inference refers to making conclusions about a population based on a sample.

Whether Depression Levels Are Truly Lower in a Treatment Group