Banks Et Al

question 24

Multiple Choice

Banks et al. showed that spatial frequency selectivity of visual masking was:

• A) Present at birth
• B) Present at 6 weeks
• C) Present at 12 weeks
• D) Absent at 12 weeks

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Definitions:

Variance

A measure of dispersion that represents the average of the squared differences from the mean.

P-Value

A statistical measure that helps researchers determine if their hypothesis is supported, indicating the probability of observing the obtained results, or more extreme, if the null hypothesis is true.

Power of the Test

The probability that a statistical test will correctly reject a false null hypothesis, or its ability to detect an effect when there is one.

True Value

The actual or real value of a parameter which is estimated in a study.