A Test Score of 48

question 29

Multiple Choice

A test score of 48.4 on a test having a mean of 66 and a standard deviation of 11. Find the z_ score corresponding to the given value and use the z score to determine whether the value is
Significant. Consider a score to be significant if its z score is less than -2.00 or greater than
2.00. Round the z score to the nearest tenth if necessary.

• A)-17.6; significant
• B)-1.6; significant
• C)-1.6; not significant
• D)1.6; not significant

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Definitions:

Longitudinal

A duplicate key, focusing on studies or analyses conducted over an extended period to observe changes in the data or subjects being studied.

Cross-sectional

Pertaining to a research design that examines a data sample or multiple samples at one specific point in time.

Sequential Method

A research or problem-solving technique that involves proceeding through a series of steps in order, one after the other.

Developmental Research Designs

Research methods used to examine changes in behavior or abilities over time, typically used in psychological and educational studies.