A Study That Is Valid and Reliable

question 181

Multiple Choice

A study that is valid and reliable

• A) is called a marketing research study.
• B) measures what it is supposed to measure and produces almost identical results in repeated trials.
• C) is expensive to implement and complete.
• D) measures subtle differences in the population being studied and produces almost identical results in repeated trials.
• E) is difficult to produce without expert researchers.

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Definitions:

Regression Analysis

A statistical technique for modeling and analyzing the relationships between a dependent variable and one or more independent variables.

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable.

Regression Line

A line through a scatter plot of data points that best expresses the relationship between those points.

Variables

Elements, features, or factors that are likely to vary or change and can be measured, controlled, or manipulated in research.