An evaluator wants to compare how two different educational…

An evaluator wants to compare how two different educational programs (program A and program B) impact sleep issues. Sleep issues are measured using a sleep issues scale which results in scores from 0-10, with higher scores meaning  more sleep issues. Which variable is the dependent variable?

A group of people are randomly selected to participate in a…

A group of people are randomly selected to participate in a study. Half of the people are randomly assigned to the group that gets the health program (group A). The other half are randomly assigned to a group that will not receive any program (group B). In this example, group B is called a(n) ____________ group.

A program will be implemented to teach young adults how to e…

A program will be implemented to teach young adults how to eat healthier. One evaluator points out that young adults can be influenced by their friends and their behaviors. She proposes to add a survey to assess friends’ influence on eating behaviors by asking the participant to list all their close friends and then answer a series of essay questions describing their relationship with each friend (ex: when they met, how close they are, how frequently they see each other). The survey will also ask the participant to describe each friends’ general eating patterns. What is the main issue with this approach?