Lori Is Participating in a Research Study in Which She

question 39

Multiple Choice

Lori is participating in a research study in which she completes a questionnaire every year.She has been doing this for the past five years,and the purpose of the research is to study how consumers' attitudes and preferences toward various food products change as they age.This type of study in which respondents are questioned at multiple points in time is called a:

• A)cross-sectional study
• B)longitudinal study
• C)permanent study
• D)structured study

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Definitions:

Determination

Generally refers to the process of firm decision-making or the resolving of a problem; in statistics, it may refer to the coefficient of determination.

SSR

Sum of Squared Residuals; a measure of the discrepancy between the data and an estimation model.

F Statistic

The F statistic is a value derived from an ANOVA test used to determine whether the means of several groups are equal by comparing the variance between groups to the variance within groups.

SSR

Sum of Squares due to Regression, a measure in statistics that quantifies the variation explained by the independent variables in a regression model.