# Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 85 - 88 of 320

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## Question 85

### Question

MCQ▾The statistical technique of ________ determines the degree of correlation between performances on various tasks to determine the extent to which they reflect particular underlying characteristics.

### Choices

Choice (4) | Response | |
---|---|---|

a. | intelligent quotient | |

b. | intelligence testing | |

c. | factor analysis | |

d. | predictive validity |

## Question 86

### Question

MCQ▾The best control for practice effects in an experiment is ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | Random selection | |

b. | Doubled blind | |

c. | Counterbalancing | |

d. | Split-half presentation |

## Question 87

### Question

MCQ▾If one finds a positive correlation between degree of coffee drinking and the likelihood of heart attacks. One can conclude that:

### Choices

Choice (4) | Response | |
---|---|---|

a. | Individuals prone to heart attacks are predisposed to drink a lot of coffee | |

b. | An active life style of certain people causes heart attack | |

c. | Coffee drinking causes heart attack | |

d. | None of the above |

## Question 88

Appeared in Year: *2013 (UGC)*

### Question

MCQ▾The standardized regression coefficient in bivariate regression indicates (December)

### Choices

Choice (4) | Response | |
---|---|---|

a. | Change in Z - scores of Y when X scores change by 1 SD | |

b. | Change in Y scores when X scores change by 1 SD | |

c. | Change in Y scores when X scores change by one SD | |

d. | Change in Z - scores of Y when X scores change by 1 SD |