# Measurement and Methodology-Statistical Procedures [GRE (Graduate Record Examinations) Psychology]: Questions 22 - 24 of 27

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## Question 22

### Question

MCQ▾An experimenter computing the correlation between age and memory span may:

### Choices

Choice (5) | Response | |
---|---|---|

a. | Make an error because age and memory span are unrelated. | |

b. | Be able to show a relationship between age and memory span. | |

c. | Be able to prove that a decrease in memory produces old age. | |

d. | Be able to show that old age caused a decrease in memory span. | |

e. | Be able to determine that a third variable was involved. |

## Question 23

### Question

MCQ▾Julian computed the Pearson Product Moment Correlation Coefficient for a set of data and found that r =+1.80. Without knowing more about the study, we can say that________.

### Choices

Choice (5) | Response | |
---|---|---|

a. | There is a low negative relationship between the two measures. | |

b. | Julian has confirmed the hypothesis. | |

c. | Julian made an error in his calculation. | |

d. | One measure reliability predicts the other measure. | |

e. | There is a high, positive relationship between the two measures used in the study. |

## Question 24

### Question

MCQ▾If SAT scores and college grades during the first year are positively correlated because both are related to how much a student learned in high school, this would represent the ________.

### Choices

Choice (5) | Response | |
---|---|---|

a. | Strength of one’s ability to draw causal inferences from correlations. | |

b. | Bidirectionality problem with causal inferences from correlations. | |

c. | Inverse relationship problem with correlations. | |

d. | Third variable problem with causal inferences from correlations. | |

e. | Question does not provide sufficient data or is vague |