When a Researcher Who Is Collecting Data Does Not Know

question 61

Multiple Choice

When a researcher who is collecting data does not know a study's hypothesis, the study is a:

• A) blind study
• B) confounded study
• C) meta-analytic study
• D) reactivity study

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Definitions:

Confidence Interval

A range of values, derived from the sample data, within which there is a specified probability that the true population parameter lies.

Population Proportion

The fraction of items in a population that are of a particular type.

Confidence Level

The probability that a confidence interval captures the true parameter value in repeated samples or experiments.

Population Parameter

A value that represents a characteristic of an entire population, such as its mean or standard deviation, often estimated from a sample.