What Technique Is More Commonly Used Today in Order to Evaluate

question 70

Multiple Choice

What technique is more commonly used today in order to evaluate age equivalent capabilities?

• A)item response theory
• B)factor analysis
• C)mental age
• D)predictive validity

Distinguish between different statistics (r, Cohen's d, t) and their purposes in research.

Interpret the practical significance of effect size values according to Cohen's criteria.

Understand the implications of significant and nonsignificant statistical findings.

Recognize the role of chance factors, including Type I errors, in statistical analysis.

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Definitions:

Mean

The average of a set of numbers, calculated by adding all the numbers together and then dividing by the count of the numbers.

Inferential Statistics

Involves making predictions or inferences about a population based on a sample of data.

Probability

A measure of the likelihood that a particular event will occur, usually expressed as a number between 0 and 1.

Normal Distribution

A symmetrical, bell-shaped distribution of data in which most of the observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.