DrFranz Sets Up an Experimental Study to Investigate How Self-Esteem

Multiple Choice

Dr.Franz sets up an experimental study to investigate how self-esteem is affected by feedback from teachers.During the study, teachers of Grade 3 administer a short quiz where each child earns the same score (5 out of a possible 10 points) .All the children are then given feedback.Half the children are told that this is a very good score, whereas the rest are told that it is an average score.In this study, what is the independent variable?

A) the child's score on the quiz
B) the child's level of self-esteem after the quiz is returned
C) the type of feedback the child receives
D) the age of the children who take part in the study