Professor Sanders wants to study how constant distractions during an exam affect student performance.She randomly assigns her students to different classrooms where the experimental group will receive a predetermined number of distractions while taking an exam.In this study, the independent variable is the and the dependent variable is the .

A) classrooms where the exams were taken; number of distractions
B) number of distractions; performance scores on the exam
C) classrooms where the exams were taken; students taking the exam
D) performance scores on the exam; number of distractions

Question

Professor Sanders wants to study how constant distractions during an exam affect student performance.She randomly assigns her students to different classrooms where the experimental group will receive a predetermined number of distractions while taking an exam.In this study, the independent variable is the ________ and the dependent variable is the ________.

A) classrooms where the exams were taken; number of distractions
B) number of distractions; performance scores on the exam
C) classrooms where the exams were taken; students taking the exam
D) performance scores on the exam; number of distractions

fe'ofa'aki lavaka · Accepted Answer

Final Answer : B, Explanation :  The independent variable is the variable that is manipulated by the researcher, which in this case is the predetermined number of distractions. The dependent variable is the variable that is being measured, which is the performance scores on the exam. Therefore, the best choice is B – number of distractions is the independent variable and performance scores on the exam is the dependent variable.

Definitions

Learning Objectives

Learning Objectives

Related questions