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