A Researcher Is Interested in How Self-Esteem Varies Across the Lifespan

question 36

Multiple Choice

A researcher is interested in how self-esteem varies across the lifespan and decides to conduct a survey comparing people of different ages to address this issue. He recruits participants to be in one of four different age groups: 20 to 29, 30 to 39, 40 to 49, and 50 to 59. He has them complete a self-esteem survey, and then analyzes the data to see whether any patterns emerge. This study would be considered an example of a

• A)longitudinal design
• B)double-blind design
• C)cross-sectional design
• D)sequential design

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Definitions:

Directional

In research, directional usually refers to a hypothesis that specifies the direction of an expected difference or relationship.

µ > 164

A mathematical condition indicating that the population mean is greater than 164.

One-tailed

Describes a hypothesis test or statistical analysis where the significance is tested in only one direction, indicating the expected direction of an effect.

Directional

In hypothesis testing, directional refers to a hypothesis that specifies the direction of an expected difference or relationship (e.g., greater than, less than) between two groups or variables.