Extremely Different Scores Result When a Group of People Takes

question 2

Multiple Choice

Extremely different scores result when a group of people takes the same intelligence test twice. This demonstrates that the intelligence test is _____.

• A) reliable
• B) valid
• C) not reliable
• D) not valid

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Definitions:

Probability

The likelihood or chance that a particular event will occur, often expressed as a number between 0 and 1.

Probability of Success

The likelihood of achieving a favorable outcome in a given trial or experiment.

Binomial Random Variable

A type of random variable that takes on one of two possible outcomes with certain probabilities, typically used in binomial distributions.

Final Exam Week

The last period in an academic term during which final exams are administered across various courses, typically a significant determinant of final grades.