In a Two-Factor Experiment with Two Levels of Factor a and Two

question 52

Multiple Choice

In a two-factor experiment with two levels of factor A and two levels of factor B,three of the treatment means are essentially identical and one is substantially different from the others.What result(s) would be produced by this pattern of treatment means?​

• A)​a main effect for factor A
• B)​a main effect for factor B
• C)​an interaction between A and B
• D)​main effects for both A and B, and an interaction

---

Definitions:

Experimental Group

Subjects in an experiment who are subjected to the independent variable.

Control Group

A group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.

Hypothesis

Tentative explanation of a phenomenon based on observations.

Psychology Goals

Aims to understand the complexities of human and animal behavior and mental processes through rigorous research and applied practices.