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

Multiple Choice

Dr.Wilson sets up an experimental study to investigate how self-esteem is affected by feedback from teachers.During the study, third-grade teachers administer a short quiz where each child earns the same score (5 out of a possible 10 points) .Half the children are told that this is a very good score, while the rest are told that it is an average score.In this study, the independent variable is:

A) the child's score on the quiz
B) the child's level of self-esteem after the quiz has been returned
C) the type of feedback the child receives (very good or average)
D) the age of the children who take part in the study