# Research Methods and Statistics-Statistics in Psychology [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 12 - 16 of 99

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## Question 12

### Question MCQ▾

To obtain the ________, we find the deviation of each score from the mean and then square it. These squared deviations are then added and averaged.

### Choices

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

a. | Standard score | |

b. | Deviation | |

c. | Standard variance | |

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

## Question 13

### Question MCQ▾

A bell-shaped curve having known mathematical properties and characterized by a large number of scores in the middle, tapering towards very few extremely high and low scores at either end, is called ________.

### Choices

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

a. | Curve | |

b. | Abnormal curve | |

c. | Normal curve | |

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

## Question 14

### Question MCQ▾

Which is NOT a type of standard score?

### Choices

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

a. | A deviation IQ. | |

b. | A stanine. | |

c. | A J score. | |

d. | A T score. |

## Question 15

Appeared in Year: *2014*

### Question MCQ▾

On a Wechsler type intelligence scale Arish has a deviation IQ of 115. If the norms of this test are expressed in terms of normalized T scores (mean = 50, SD = 10) , what would be the T score of Arish? (December)

### Choices

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

a. | 65 | |

b. | 84 | |

c. | 60 | |

d. | 40 |

## Question 16

### Question MCQ▾

Test of ________ provide an estimate of how often experimental effects could have occurred by chance alone.

### Choices

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

a. | Statistical significance | |

b. | Significant difference | |

c. | Probability | |

d. | All of the above |