# Statistics & Research Methods-Factor Analysis (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 14 - 18 of 22

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## Question number: 14

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

### Question

What would be the degrees of freedom for the second-order interaction effect in a 3 x 3 x 2 factorial design? (December)

### Choices

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

a. | 18 | |

b. | 2 | |

c. | 9 | |

d. | 4 |

## Question number: 15

» Statistics & Research Methods » Factor Analysis

### Question

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. | intelligence testing | |

b. | predictive validity | |

c. | intelligent quotient | |

d. | factor analysis |

## Question number: 16

» Statistics & Research Methods » Factor Analysis

### Question

Which is most useful in determining whether different items on a test are measuring the same thing?

### Choices

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

a. | Co-validation. | |

b. | Test tryout. | |

c. | Cross-validation. | |

d. | Factor analysis. |

## Question number: 17

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

### Question

A study employed two groups, matched on intelligence, each group with 30 subjects. Each subject was required to learn a list of CVC trigrams and the number of trials required to learn the list was the dependent variable. What would be the degrees of freedom if a suitable t test is used to evaluate the mean difference? (December)

### Choices

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

a. | 60 | |

b. | 58 | |

c. | 30 | |

d. | 29 |

## Question number: 18

» Statistics & Research Methods » Factor Analysis

Appeared in Year: 2014

### Question

The 30 X 30 correlation matrix, representing the correlation among the thirty facet of the NEO-PI-3 were factor analyzed by three methods: (December)

1. Principal components method

2. Maximum likelihood method

3. Principal axes method and the five factors were extracted in each case.

Usually the variance explained by the factor solution would be in the following ascending order.

### Choices

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

a. | 3, 2, 1 | |

b. | 1, 3, 2 | |

c. | 2, 1, 3 | |

d. | 2, 3, 1 |