Psychological Tests & Individual Differences (CBSE-NET (Based on NTA-UGC) Psychology (Paper-II)): Questions 58 - 62 of 80

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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: 58 (2 of 4 Based on Passage) Show Passage

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

The test has satisfactory test retest reliability.

b.

The test has satisfactory internal consistency and test retest reliability.

c.

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

d.

The test has unsatisfactory ‘test retest reliability’.

Question number: 59 (3 of 4 Based on Passage) Show Passage

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Unsatisfactory predictive validity

b.

Satisfactory concurrent validity

c.

Satisfactory predictive validity

d.

Unsatisfactory concurrent validity

Question number: 60 (4 of 4 Based on Passage) Show Passage

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

84

b.

16

c.

60

d.

68

Question number: 61

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MCQ▾

Question

In the language of psychometrics, a “foil” is

Choices

Choice (4) Response

a.

part of the stem of an item on a multiple choice test.

b.

an incorrect alternative to a question on a multiple choice test.

c.

a general reference to distraction created by fellow testtakers.

d.

an aluminum sheet used primarily for computer test security.

Question number: 62

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MCQ▾

Question

The term “portfolio assessment” encompasses

Choices

Choice (4) Response

a.

case study assessments.

b.

all of the above.

c.

behavioral assessments.

d.

work sample assessments.

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