Test Scores Measuring Latent Traits Can,in Theory at Least,take on Values

question 155

Multiple Choice

Test scores measuring latent traits can,in theory at least,take on values ranging from

• A) 0 to infinity.
• B) negative infinity to positive infinity.
• C) 0 to one million.
• D) negative one million to positive one million.

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Definitions:

Confidence Interval

A range of values, derived from the statistics of the observed data, that is likely to contain the value of an unknown population parameter.

Null Hypothesis

The hypothesis in statistical testing that assumes no significant difference or effect in the population; it is the hypothesis that researchers aim to test against.

One-sample T Test

A statistical test used to determine whether the mean of a single sample differs significantly from a known or hypothesized population mean.

Standard Error

A statistical measure that estimates the accuracy of a sample mean by quantifying the dispersion of sample means around the population mean.