Wally Wants to See If Room Temperature Affects Happiness

question 211

Multiple Choice

Wally wants to see if room temperature affects happiness.He invites participants to the laboratory,where half are seated for 20 minutes in a booth held at a constant 68 degrees,and the other half are seated in an identical booth for 20 minutes at a constant 88 degrees.Wally then asks members of each group to rate their level of happiness.What is the independent variable in this experiment?

• A)the number of participants
• B)the elapsed time
• C)the temperature of the booths
• D)the rating of happiness

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Definitions:

Perform Reaction

The process of conducting a chemical reaction under specified conditions to yield products.

Scatterplot

A graph in which the values of two variables are plotted along two axes, allowing for the visualization of relationships or patterns between them.

Graphical Tool

Visual instruments like charts, graphs, and plots used for analysis and data presentation.

Variables

Elements or features that can vary among individuals or over time and are measured or controlled in scientific research.