Holstein Set Up a Matrix Representing His Population of Residence

question 19

Multiple Choice

Holstein set up a matrix representing his population of residence hall students,using gender and class level.He then started interviewing students and continued until he had accomplished the percentages he set out in the beginning.Which sampling design does this example reflect?

• A)reliance on available subjects
• B)purposive
• C)snowball
• D)quota
• E)systematic

Be aware of how research findings can be misinterpreted or misleading based on how questions are defined or samples are selected.

Recognize the importance of ethical considerations in conducting psychological research.

Understand the concept of correlation and distinguish between positive, negative, and zero correlations.

Recognize the limitations of correlational studies in inferring causation.

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Definitions:

Modality

Value or values of a variable that have the highest frequency in a set of data.

Directional Hypothesis

A specific type of hypothesis that stipulates the direction of the expected relationship between variables (e.g., 'greater than', 'less than').

Non-directional Hypothesis

A hypothesis that predicts a relationship between variables without specifying the direction of the relationship.

Two-tailed

Involves hypotheses testing that considers both directions of differences (greater than or less than) without specifying which direction.