PSY1SFP - WEEK 6 PART 1

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What is the direction of the relationship between wellbeing (X) and depression (Y)?

As wellbeing increases, depression also increases

As wellbeing decreases, depression increases

As wellbeing increases, depression decreases (correct)

There is no correlation between wellbeing and depression

Which of the following would strengthen a correlation coefficient?

Removing an outlier that is supporting the correlation

Increasing the sample size (correct)

Adding an outlier that is not supporting the correlation

Sampling from a restricted range

What is the main difference between correlation and causation?

Correlation is a statistical relationship, while causation is a cause-and-effect relationship (correct)

Correlation is a cause-and-effect relationship, while causation is a statistical relationship

Correlation is a mathematical concept, while causation is a scientific concept

Correlation is a statistical term, while causation is a psychological term

What is the interpretation of a correlation coefficient of 0.8?

A strong positive correlation Signup and view all the answers

Which of the following correlation coefficients indicates the strongest relationship between two variables?

1.0 Signup and view all the answers

What is the primary limitation of correlational research in terms of casual relationships?

It cannot infer a cause-and-effect relationship without a logical argument. Signup and view all the answers

What is the range of the correlation coefficient (Pearson's r)?

-1 to 1 Signup and view all the answers

What is the primary goal of predicting outcomes in correlational research?

To identify the strongest predictor of the outcome variable Signup and view all the answers

What is the key difference between simple regression and multiple regression?

The number of predictor variables used Signup and view all the answers

What is the primary advantage of using hierarchical regression over simple regression?

It allows for the control of extraneous variables Signup and view all the answers

What is the primary concern when extrapolating the findings of a correlation analysis to other situations or samples?

Verifying the similarity of characteristics between the initial study and the new situation Signup and view all the answers

A correlation coefficient of r =.79 between chocolate consumption and Nobel Prize winners might imply:

There is a third variable influencing both chocolate consumption and Nobel Prize winners Signup and view all the answers

What is the main difference between a reliable measure and a valid measure in correlation analysis?

A reliable measure is reproducible, while a valid measure varies consistently with theoretical expectations Signup and view all the answers

Which type of sampling is most likely to produce a biased sample?

Opportunistic sampling Signup and view all the answers

What is the purpose of calculating a correlation coefficient in correlation analysis?

To quantify the strength and direction of the linear relationship between two variables Signup and view all the answers

PSY1SFP - WEEK 6 PART 1

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