# NTA-NET (Based on NTA-UGC) Psychology (Paper-II): Questions 3435 - 3439 of 5988

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## Passage

A psychologist wanted to develop a numerical ability test for the student population. She wrote eighty multiple choice items, each item with five alternatives. The item analysis was carried out by finding discrimination index and item-remainder correlation for each item. Sixty items were retained in item analysis.

The new version, with finally retained sixty items was administered to a new sample (N = 400) twice with a time gap of eight weeks. The test-retest correlation was found to be 0.22, significant at. 01 level. The data obtained at the first administration of the sixty item version was also used for computing split-half reliability. The correlation between scores based on odd items and the scores based on even items was found to be 0.60. The split-half reliability coefficient was obtained after applying Spearman-Brown correction.

The scores obtained by the students were correlated with their marks in Mathematics in their annual examination which took place three months after the data collection. The product-moment correlation of 0.6 was obtained between test scores and mathematics. Norms were developed for the test. The normative sample yielded a mean of 40 and standard deviation of 8. The data were found to be normally distributed. As norms, percentile ranks were obtained.

(June 2014)

## Question number: 3435 (1 of 5 Based on Passage) Show Passage

» Statistics & Research Methods » Measures of Variation

### Question

Which of the following correlation is suitable while computing item-remainder correlation in the above analysis?

### Choices

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

a. | Point-biserial correlation | |

b. | Phi-coefficient | |

c. | Multiple correlation | |

d. | Spearman rank difference correlation |

## Question number: 3436 (2 of 5 Based on Passage) Show Passage

» Psychological Tests & Individual Differences » Psychological Tests

### Question

What evidence has been obtained for the validity of the above test?

### Choices

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

a. | Unsatisfactory predictive validity | |

b. | Satisfactory predictive validity | |

c. | Satisfactory concurrent validity | |

d. | Unsatisfactory concurrent validity |

## Question number: 3437 (3 of 5 Based on Passage) Show Passage

» Psychological Tests & Individual Differences » Psychological Tests

### Question

What inference can you draw about the reliability of the text?

### Choices

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

a. | The test has satisfactory internal consistency and test retest reliability. | |

b. | The test has satisfactory test retest reliability. | |

c. | The test has unsatisfactory ‘test retest reliability’. | |

d. | The rest has satisfactory test retest reliability but unsatisfactory internal consistency. |

## Question number: 3438 (4 of 5 Based on Passage) Show Passage

» Psychological Tests & Individual Differences » Psychological Tests

### Question

What would be the split-half reliability coefficient after Spearman-Brown correction?

### Choices

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

a. | 0.40 | |

b. | 0.90 | |

c. | 0.75 | |

d. | 0.60 |

## Question number: 3439 (5 of 5 Based on Passage) Show Passage

» Psychological Tests & Individual Differences » Psychological Tests

### Question

What would be the percentile rank for a score of 48?

### Choices

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

a. | 16 | |

b. | 60 | |

c. | 68 | |

d. | 84 |