A researcher designs an experiment by manipulating room temperature (cold, warm, or hot) ; noise level (quiet or loud) ; and room color (pink, blue, or black) . Identify the possible number of main effects.

A) 1
B) 2
C) 3
D) 8

Question

Shannon Sundberg · Accepted Answer

Final Answer : C, Explanation :  There are three independent variables in the experiment, each with multiple levels. Therefore, there can be up to three main effects - one for each independent variable.

A researcher designs an experiment by manipulating room temperature (cold, warm, or hot) ; noise level (quiet or loud) ; and room color (pink, blue, or black) . Identify the possible number of main effects.

A) 1
B) 2
C) 3
D) 8

Definitions

Learning Objectives

Learning Objectives

Related questions

A researcher designs an experiment by manipulating room temperature (cold, warm, or hot) ; noise level (quiet or loud) ; and room color (pink, blue, or black) . Identify the possible number of main effects.A) 1B) 2C) 3D) 8

Definitions

Learning Objectives

Learning Objectives

Related questions

A researcher designs an experiment by manipulating room temperature (cold, warm, or hot) ; noise level (quiet or loud) ; and room color (pink, blue, or black) . Identify the possible number of main effects.

A) 1
B) 2
C) 3
D) 8