621 _ A hypothesis that is tested for its rejection is :
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Answer: Null Hypothesis
622 _ In a research design, which is considered as the most important component :
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Answer: Review Literature
623 _ Interview is a
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Answer: Tool Research (or) Data Collection Method
624 _ Which of the following method of research and useful study on measuring the action life periodical :
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Answer: Citation Analysis
625 _ Mathematical formula for estimating sample size is given by
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Answer: Taro Yamane
626 _ Research design may be categorized mainly in :
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Answer: Explainatory, descriptive and exploratory research design
627 _ Ink blot test is developed by :
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Answer: 1921 by Hermann Rorschach, Switzerland.
628 _ Observation can be categorized into following two main type :
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Answer: Participant & NonParticipant
629 _ The highest method point of spiral method is :
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Answer: ZENITH
630 _ Conversation of response in to a set number is called :
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Answer: Coding
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