Individual Differences Quiz
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Questions and Answers

What does the correlation coefficient (r) measure?

  • The individual differences across many attempts
  • The uncertainty describing what will happen
  • The amount of common information shared between two variables
  • The strength and direction of a linear relationship between two variables (correct)

    • What does the coefficient of determination (r^2) indicate?

  • The individual differences across many attempts
  • The amount of common information shared between two variables
  • The uncertainty describing what will happen
  • The proportion of the variance in one variable that is predictable from the other variable (correct)

    • What does a positive correlation coefficient (r) signify?

  • A direct relationship where both variables increase or decrease together (correct)
  • A perfect correlation between the variables
  • No relationship between the variables
  • A negative relationship where one variable increases as the other decreases

    • What does a negative correlation coefficient (r) indicate?

    <p>An inverse relationship where one variable increases as the other decreases</p> Signup and view all the answers

    What is the coefficient of determination (r^2) used for?

    <p>To show the proportion of the variance in one variable that is predictable from the other variable</p> Signup and view all the answers

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