In Testing a Hypothesis Using the X² Test, the Theoretical

question 100

Multiple Choice

In testing a hypothesis using the X² test, the theoretical frequencies are based on the

• A) null hypothesis.
• B) alternative hypothesis.
• C) normal distribution.
• D) None of the above.

Recognize the strengths and limitations of survey research, case studies, and correlational studies.

Differentiate between dependent and independent variables in experiments.

Understand the concept of correlation, including positive and negative correlations, and their implications.

Grasp the importance of representative samples in research and how they are constituted.

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Definitions:

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Evidence provided by people who witnessed a specific event or crime, offering their recollection of the details.

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A progressive neurological disorder that causes memory loss, cognitive impairment, and changes in behavior, primarily affecting older adults.

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Broadbent's Filter

A theory suggesting that information is filtered at an early stage during processing, allowing only a limited amount of information to be passed on to higher-level functions.