# Statistics & Research Methods-Regression Analysis (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 1 - 4 of 5

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## Question number: 1

» Statistics & Research Methods » Regression Analysis

Appeared in Year: 2014

### Question

In a 2 x 2 factorial design, with A and B as the two IVs, the F ratio ‘MS_{A x B}/MS_{E}’ is statistically significant. It implies that (December)

### Choices

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

a. | there is either cross-over or disordinal interaction. | |

b. | there is disordinal interaction. | |

c. | there is cross-over interaction. | |

d. | there are both disordinal and cross-over interactions. |

## Question number: 2

» Statistics & Research Methods » Regression Analysis

Appeared in Year: 2013

### Question

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 | |

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

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

## Question number: 3

» Statistics & Research Methods » Regression Analysis

### Question

The primary use of a regression equation in testing and assessment is to

Understanding the Fundamentals of Regression

What is regression analysis and why is it important?

### Choices

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

a. | convert one score or variable to another. | |

b. | fix certain scores as an anchor for future scores. | |

c. | transform scores derived in a different cultural context. | |

d. | predict one score or variable from another. |

## Question number: 4

» Statistics & Research Methods » Regression Analysis

Appeared in Year: 2015

### Question

Which of the following statements are true about simple bivariate linear regression? (June)

(a) The b coefficient is a slope of the regression line.

(b) The b coefficient denotes change in Y, when X changes by 1 Unit.

(c) The error of prediction has a mean and variance of zero.

(d) If the b coefficient is significant, the product moment correlation between X and Y is also significant

### Choices

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

a. | a, b and d | |

b. | c and d | |

c. | a, b and c | |

d. | a and b |