The Researcher Examines the Relationship Between Hours of Sleep and Average

question 11

Multiple Choice

The researcher examines the relationship between hours of sleep and average test scores and reports an r=0.56, p=0.02. You know this means:

• A) there is a statistically significant correlation between sleep and test scores.
• B) as hours of sleep increase average test scores do as well.
• C) there is a strong positive relationship between the variables.
• D)All of these answers are correct

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Definitions:

Law of Similarity

A principle in gestalt psychology stating that objects that are similar to each other are perceived as part of the same group.

Size Constancy

The perceptual phenomenon where the size of an object is perceived to remain constant despite changes in its distance from the viewer.

Retinal Image

The projection of visual stimuli onto the retina, the light-sensitive layer at the back of the eye, forming the basis of visual perception.

Law of Size Constancy

The perceptual principle stating that our perceptions of the size of objects remain constant despite changes in the size of the images they cast on our retinas due to distance.