It is the beginning of the school year and Ms. Angelo, an eighth grade teacher, is concerned about the students' standardized reading achievement test scores. She knows the current class did not do well the last time that they were tested. She decides to do a study to examine if there are differences in students' gain achievement scores from the last administration based upon the nature of the out of class reading she assigns during the school year. In two of her sections, she allows students to read seven books that they want to read. In two of her other sections, she assigns seven texts. In her last two sections she assigns four texts and allows students to select three.
-What is the independent measure in Ms. Angelo's study?
A) Type of books read
B) Eighth grade students
C) Gain achievement scores
D) Number of books read

Question

Quizplus · Accepted Answer

The independent measure in Ms. Angelo's study is the type of books read, as this is the variable that is being manipulated by the teacher to see if it has an effect on the students' achievement scores. The other options (eighth grade students, gain achievement scores, and number of books read) are all either constants or dependent measures that are being measured or observed in the study.

It Is the Beginning of the School Year and Ms