# Statistics & Research Methods-Inferential Statistics (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 50 - 55 of 67

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## Question number: 50

» Statistics & Research Methods » Inferential Statistics

### Question

The simplest way of visualizing a correlation is to construct a ________.

### Choices

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

a. | Diagram | |

b. | Scatter diagram | |

c. | Graph | |

d. | All of the above |

## Question number: 51

» Statistics & Research Methods » Inferential Statistics

### Question

The most commonly used correlation coefficient is called ________.

### Choices

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

a. | Pearson coefficient | |

b. | Correlation | |

c. | Rank correlation coefficient | |

d. | All of the above |

## Question number: 52

» Statistics & Research Methods » Inferential Statistics

### Question

Identical twins are likely to have almost identical IQs. In contrast, parents and their children have IQs that are only generally similar. The correlation between IQs of parents and children is. 35; that between identical twins is ________.

### Choices

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

a. | 0.35 | |

b. | 0.70 | |

c. | 0.85 | |

d. | 0.86 |

## Question number: 53

» Statistics & Research Methods » Inferential Statistics

### Question

The ________ statistics is used for decision making for generalizing from small samples, and for drawing conclusions.

### Choices

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

a. | Parametric | |

b. | Descriptive | |

c. | Inferential | |

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

## Question number: 54

» Statistics & Research Methods » Inferential Statistics

### Question

Which of the following is an advantage of “Correlation method”.

### Choices

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

a. | Relationship may be coincidental | |

b. | Cause-and-effect relationship cannot be confirmed | |

c. | Demonstrates the existence of relationship | |

d. | Little or no control is possible |

## Question number: 55

» Statistics & Research Methods » Inferential Statistics

### Question

Carefully read the following statements and give an appropriate answer:

(1) Stage mentalists and psychics often use deception in their acts

(2) Blaming the lunar cycle for variations in the rate of violent crime is an example of mistaking correlation for causation

(3) Psychiatric interpretation of a patient’s broom-holding behavior show the importance of using a control group in experiments

### Choices

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

a. | (i) and (ii) are false, but (iii) is true | |

b. | The statements are false | |

c. | The statements are true | |

d. | All the statements are true |