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Evaluation of Data :
The historical data should be subjected to two types of evaluation.
External Criticism: Evaluation of data is concerned with authenticity or genuineness of the data. Researcher must scrutinize whether data is relevant and valid to the research problem.
Internal Criticism: Which refers to examine the accuracy of data; Researcher must ensure that the data is reliable.
Non Probability Sampling: Convenient sampling or accidental sampling entails the use of the most conveniently available people as subjects in the study. Quota sampling ar
PLANNING AND ORGANISATION: The major items of work are classification and cataloguing. They are of a highly technical nature and accuracy is the very essence of all technical
Response Rate This is the percentage of responses generated through a direct marketing campaign.
The simplest transporting devices are wheel barrows and hand trucks. These are still in use in number of small industries all over the country. Figure (a) shows a ha
The Three Card System: The Three Card System is a method introduced by Ranganathan. In this system three different cards of the size 5" X 3" are maintained for each periodical
#question.classifications of cost for planning.
Evaluation of Data : The historical data should be subjected to two types of evaluation. External Criticism: Evaluation of data is concerned with authenticity or g
QUESTION 1 Motivation is a vital condition of learning. Discuss the statement and suggest ways and means by which school learning can be effectively motivated QUESTION 2
INNER FORMS OF A LIBRARY CATALOGUE: We have given you an overview of the physical forms of a library catalogue w their features, merits and demerits. Closely related to the ph
Surveys and Censuses There are also organisations which have been set up specifically to gather statistical information through censuses and surveys. This may be considered a
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