The Guiding Interest in Evaluating the Quality of Data Is

question 27

Multiple Choice

The guiding interest in evaluating the quality of data is to ensure that _______.

• A) no time was wasted by the researcher or practitioner
• B) data collected are 100% accurate for every session
• C) they closely approximate what really happened with behavior
• D) other people in the field are impressed with your results

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Definitions:

T Statistic

The t statistic is a value used in statistical analysis to determine the significance of the difference between two sample means, relative to the sample variability.

Preliminary Analysis

An initial examination of data to check for possible errors, understand basic trends and assumptions, and determine the most appropriate statistical tests.

Approximately Normal

Describes a data distribution that closely follows a normal distribution, even though it may not be perfectly normal.

Outliers

Observations that lie an abnormal distance from other values in a random sample from a population.