For Each of the Situations Below, Identify the Independent Variable

question 52

Essay

For each of the situations below, identify the independent variable and the dependent variable.
a. A study to determine the effect of humidity on running speed.
b. Students memorize a list of difficult vocabulary words while listening to jazz, classical music, or country and western music. Their recall of the words was then measured.
c. Research participants are asked to solve a jigsaw puzzle in rooms where the temperature is either cold, comfortable, or hot. The amount of time it takes to solve the puzzle is recorded.

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Definitions:

TBSA

Total Body Surface Area, a measurement indicating the percentage of skin affected by burns or other skin injuries.

PPD

Purified protein derivative, a substance used in a test for tuberculosis by injecting it into the skin and observing the reaction.

Diagnosis

The process of determining the type of a disease or issue through the analysis of its signs.

Chickenpox

A highly contagious viral infection causing an itchy rash and flu-like symptoms, mainly affecting children.