Chapter 13 Quiz

These questions test your knowledge of the content of Chapter 13.

A Pearson correlation coefficient can only meaningfully describe linear relationships between variables.

TrueFalse

When one variable tends to show higher values that correspond to lower values in a second variable, this is known as a __________.

spurious correlation

partial correlation

positive correlation

negative correlation

__________ tau is a nonparametric alternative to the Pearson correlation coefficient that is particularly useful when many scores have tied ranks.

In a regression analysis, predictor variables can be nominal so long as they have more than two groups.

TrueFalse

Unstandardized beta measures the extent to which a regression model predicts that the outcome variable will change if the predictor variable increases by one standard deviation.

TrueFalse

Where the chi-square test can examine relationships between two categorical variables, __________ analysis can examine relationships between more than two variables.

Cronbach's alpha is a test of ________.

internal reliability

inter-rater reliability

intra-rater reliability

intraclass reliability

EFA stands for __________ Factor Analysis.

Which test determines the degree to which a third variable accounts for the relationship between two other variables?

Mediation analysis

Moderation analysis

Structural Equation Modelling (SEM)

Hierarchical regression

There is always one single correct quantitative analytical approach to any given research question and dataset.