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Advantages and Limitations:
Experimental approach represents the most powerful method for testing hypothesis of the cause and effect relationship between variable. Because of its special controlling properties on experiment it offers greater control than any
other research approach that the independent variable (e.g. diet, drug, dosage, teaching approach) has an effect on the dependent variable (e.g. weight loss, recovery of health, learning, etc.). The great strength of experiments then lies inthe confidence with which casual relationship can be inferred.
Limitations:
This approach has several limitations. Many interesting variables are not amendable to experimental manipulation. A large number of human characteristics e.g. health history, age, gender, can not be randomly conferred on people.
Another problem in experiment is Hawthorne effect or placebo effect. It is the effect on the dependent variables caused by subject's awareness, that they are special participants under study e.g. the knowledge of being included in the study may be sufficient to cause people to change their behaviour. For examplewhen a staff nurse knows that slhe has involvement in research to find the quality care being offered, itself will improve the quality of care.
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
Methods of Assessing Information Needs: As mentioned above there are two sets of methods: One used in user studies for analysing verbal behaviour and the other in use studies
BASIC TERMINOLOGY - Library management: A term may be defined as a standardised name for a. given entity or concept which is precise. Terminology, in its turn, is defined as a
Question 1 What are the various basic shots? Question 2 Describe the ways in which light can be measured in detail Question 3 Write a long note on the SLR camera.
define international marketing and furnish its features
Pamphlets-binding policy for libraries: Pamphlets are paper covered materials of fewer than fifty pages. Most libraries collect pamphlets and if these materials are to be use
ELEMENTS OF BINDING: The wear and tear of books and other documents are normal features of most modem libraries. Binding and repair of damaged books and preserving them for lo
Need for Filing of Catalogue Entries The word catalogue has been derived from a Greek phrase Katy Logos. "Kate means "by" or "according to" and "Logos" has different meanings
Question A List the different approaches to Quality. Describe Juran's views on Quality Question D a. Explain the factors determining the customer satisfaction.
frequent mistakes in planning process
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