Suppose the Average Reading Speed of 15 Randomly Selected Elementary

question 16

Multiple Choice

Suppose the average reading speed of 15 randomly selected elementary school students is 25,and the average reading speed of 15 randomly selected junior high school students is 31.You compute an independent samples t-test,and your is 3.12,which is statistically significant.Which of the following is the most appropriate conclusion?

• A)Increases in age cause increases in reading speed.
• B)We have evidence that older students tend to read faster.
• C)There is a proven relationship between age and reading speed.
• D)The difference between the older and younger students is due to sampling error.

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Definitions:

Feature Arrangements

The way in which perceptual features are organized and structured in our cognitive processes to represent objects or stimuli.

Mental Images

Visual, or other sensory, representations in the mind that are not currently being perceived but can be recalled or imagined.

Real-World Objects

Physical items that exist in the environment, capable of being seen, touched, and interacted with, outside of theoretical or virtual constructs.

Spatial Equivalence

The concept that different physical spaces or arrangements can be perceived as similar or having the same value in terms of their spatial properties.