Before Implementing a Large, Multisite Research Investigation, a Researcher Conducts

question 14

Multiple Choice

Before implementing a large, multisite research investigation, a researcher conducts a smaller study to identify any problematic areas in the planned study. This smaller study is known as a/an:

• A) abstract.
• B) exploratory design.
• C) pilot study.
• D) proposal.

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Definitions:

Degrees Of Freedom

The total count of values that can change in the ultimate calculation of a statistical figure.

Standard Normal Distribution

A bell-shaped distribution that has a mean of zero and a standard deviation of one, used in probability and statistics.

T-Distribution

A type of probability distribution that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.

Confidence Intervals

Statistical intervals that estimate where a population parameter, based on sample data, is expected to lie, including a range of possible values.