What Is the Decision Regarding the Differences Between the Observed

question 107

Multiple Choice

What is the decision regarding the differences between the observed and expected frequencies if the critical value of chi-square is 9.488 and the computed value is 6.079?

• A) The difference is probably due to sampling error; do not reject the null hypothesis
• B) Not due to chance; reject the null hypothesis
• C) Not due to chance; do not reject the alternate hypothesis
• D) Too close; reserve judgment

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Definitions:

Test Taker Variables

Factors related to the individual taking a test that can influence their performance, such as anxiety, motivation, and prior knowledge.

IQ Test

A standardized assessment designed to measure human intelligence and cognitive abilities in comparison to the general population.

Reliability Coefficient

The reliability coefficient is a statistical measure that indicates the consistency or stability of scores obtained from a test or measurement tool over time.

Unsystematic Error

The collection of factors that contribute to the variation in scores noted across administrations of a test or instrument. Also referred to as random error.