RESEARCH METHODOLOGY

INTRODUCTION

SCIENTIFIC INQUIRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
T8-If you get at least 6 hours of sleep, you will do better on tests than if you get less sleep.What is the independent variable in this experiment?
A
Amount of Sleep
B
Test Scores
C
Amount of Coffee
D
Type of Bed
Explanation: 

Detailed explanation-1: -Answer and Explanation: The independent variable is the amount of sleep. The dependent variable is performance on the exam. The researcher will compare the results and determine if the amount of sleep affects performance.

Detailed explanation-2: -For example, in an experiment studying the effect of sleep deprivation on word recall, the independent (manipulated) variable would be “sleep deprivation, ‘’ which in this case may be the number of hours of sleep a participant gets in one day.

Detailed explanation-3: -The correct answer is d. The dependent variable is memory. Memory is tested to determine how sleep deprivation impaired or affected memory.

Detailed explanation-4: -The number of hours the student studies is the independent variable because nothing directly affects the number of study hours. The grade the student earns in the class is the dependent variable because how much time the student commits to preparing can affect the grade.

There is 1 question to complete.