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81
Match List-I with List-II and select the correct answer:
List-I List-II
A. Item validity 1. Is concerned with whether the test items represent measurement in the intended content area
B. Sampling validity 2. Is concerned with the extent to which test samples the total content area
C. Content validity 3. The extent to which items on a test are related in a straight forward way to the characteristics the test aims to measure
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Answer & Solution
Answer: Option A
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82
Assertion (A): Validity is a prerequisite for a test to be sound
Reason (R): Validity indicates the extent to which the test measures what it intends to measure, when compared with some outside independent criterion
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Answer & Solution
Answer: Option A
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83
The most widely used measure of central tendency is
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Answer: Option B
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84
Which one of the following psychologists suggested that only observable behaviours should be studied?
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Answer & Solution
Answer: Option A
Solution:
In the field of psychology, the psychologist who suggested that only observable behaviors should be studied is Watson.

John B. Watson, an American psychologist, is best known for his contributions to behaviorism. He believed that psychology should focus solely on observable behaviors, rejecting introspection and mental processes as valid subjects of scientific study. Watson emphasized the importance of studying behavior objectively, as it could be directly observed and measured.

Therefore, Option A: Watson is the correct psychologist who suggested that only observable behaviors should be studied.
85
The coefficient of correlation between the two sets of test scores is a
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Answer: Option C
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86
Assertion (A): The level of difficulty of a test item should be adaptable to the level of understanding of the examinees
Reason (R): The exact decision regarding the difficulty value of an item can be taken only after some statistical techniques have been applied
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Answer: Option B
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87
In psychology experiment may be defined as a . . . . . . . . of a phenomena.
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Answer: Option C
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88
. . . . . . . . are statistics for expressing the direction and degree of a relationship between measures.
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Answer: Option A
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89
. . . . . . . . mean may not be represented in the actual data and it gives greater importance to bigger items of a given series
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Answer: Option B
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90
The Gallup poll and the U.S. Census are probably the most familiar example of
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Answer: Option C
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