Sampling Is Ordinarily Used to Select Observations for One of Two

question 5

Multiple Choice

Sampling is ordinarily used to select observations for one of two related reasons. First, it is often not possible to collect information from all persons or other units we wish to study. For example, we may wish to know what proportion of all persons arrested in U.S. cities have recently used drugs, but collecting all that data would be virtually impossible. Thus, we select a _____.

• A) few interviewers representing a sample
• B) few observations representing sample
• C) population of observations representing sample
• D) sample of observations representing population*.

Identify the effects of variations in Earth's tilt on climate and glaciation.

Understand the mechanisms of shoreline change and the factors influencing them, including glacier-related processes.

Recognize the patterns and contributions of glacier-related sediment transport (e.g., loess).

Understand the definition and characteristics of dissociative identity disorder (DID).

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Definitions:

Experimental Method

A research method involving the manipulation of variables to establish cause-and-effect relationships.

Cause-And-Effect

The principle that suggests every event (cause) leads to a certain result (effect), underlining the relationships between actions and outcomes.

Natural Setting

A real-world environment where behavior and events occur spontaneously, outside of a controlled or laboratory setting.

Within-Subjects Design

A research design in which the same subjects are used in each condition of the experiment, allowing for direct comparison of different treatments or conditions on the same individuals.