chapter 9

Front

What does the beta coefficient for exercise predicting anxiety indicate about the relationship between exercise and anxiety?

Back

There is a negative relationship between exercise and anxiety.

Front

What do well-designed longitudinal studies establish?

Back

Temporal Precedence, Covariance, but not Internal Validity.

Front

What is a cross-sectional correlation?

Back

Correlation 6.

Front

In a study, if sex influences the relationship between a cognitively demanding job and cognitive benefits, what role does sex play?

Back

Moderator.

Front

What does 'c' represent in correlation studies?

Back

An autocorrelation.

Front

Define 'Temporal Precedence'.

Back

The concept that one event occurs before another, establishing a cause-and-effect relationship.

Front

What is 'Internal Validity'?

Back

The degree to which a study accurately establishes a causal relationship between variables.

Front

What is 'Covariance'?

Back

A measure of how much two random variables change together.

Front

What is a 'Mediator' in research?

Back

A variable that explains the relationship between the independent and dependent variables.

Front

What is a 'Moderator' in research?

Back

A variable that affects the strength or direction of the relationship between an independent and a dependent variable.