Which among the following statements are true about operational definitions?

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(1) Must be unambiguous and precise
(i) Can be based on a valid theory
യ) Need to be taken from previous studies
(iv) Can be availed from dictionaries .
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(C) (ண and (1) യ മജ്ജ
78. Hypotheses can be stated :
(i) Interrogatively (1) In Infinitive form
(1) Affirmatively (iv) Negatively
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79. Sampling error is :
(A) Measured as standard error (18) Measured as standard deviation
(C) Indicates mistake in sampling (D) Chance variation in sampling process
80. Applied research in education attempts :
(A) Generalizations about teaching—learning process
(B) Providing immediate solution to the problems of educational practitioner
(C) Development and testing of theories of behavior
(D) Fact finding that describes present condition of education
81. The term secularism has been inserted in the Preamble by the Amendment
Act of the Constitution.
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82. Right for freedom of movement is provided in Article of Constitution.
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88. Supreme Court has original Jurisdiction in any dispute :
(A) Between Govt. of India and one or more states
(8) Between the Government of India and any state on one side and one or more other
state on the other
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(D) All of the above
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