The Following Data Represent the Means for Each Treatment Condition

question 13

Multiple Choice

The following data represent the means for each treatment condition in a two-factor experiment.What pattern of results is shown in the data?
​ A1 A2
​
​
B1
​
M = 20
​
M = 20
​
B2
​
M = 30
​
M = 50

• A)​main effects for both factors and an interaction
• B)​main effects for both factors and no interaction
• C)a main effect for factor A, no main effect for factor B, and no interaction
• D)​a main effect for factor A and an interaction but no main effect for factor B

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Definitions:

Endoplasmic Reticulum

A network of membranes within the cytoplasm of eukaryotic cells involved in protein and lipid synthesis, and calcium storage.

Myelin

Myelin is a fatty substance that forms a sheath around the axons of neurons, facilitating faster transmission of electrical impulses along the nerve cells.

Axon

A lengthy, slim part of a nerve cell, known as a neuron, that typically moves electrical impulses from the neuron's core body.

Impulses

Sudden, involuntary urges to perform an action or a series of actions without conscious thought.