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Aids to Searching
Subject searching in OPAC creates certain problems for the users. Several OPACs have been developed to ease vocabulary selection and aid in searching. When the user is having trouble in finding the correct controlled vocabulary term to use for searching, a in resulting display of records with the message that the retrieved records have the subject words in their titles and their headings' will be useful in the search. Subject headings on the records help to find controlled vocabulary for the desired topic. Thus, OPACs offer the opportunity in guiding the users from natural language terms in titles to the controlled vocabulary used in subject headings.
Education and Research i) Students need information relating to their academic pursuits. ii) Teachers need information for imparting education students to their student
Problem (a) Explain the relevancy of social networks, social networking, and social media to the practice of public relations. (b) "It "ain't" your aunts or uncles way anym
Ratio Measurement: Ratio level is the highest level of measurement. They are distinguished from internal scales by virtue of having an absolute zero. Ratio scale provide
Question 1 The excellence theory is a general theory of public relations that resulted from a 15-year study of best practices in communication management funded by the Internat
Primary Sources These are materials, which are the most authentic and original. They usually take the form of a a monograph, journal article, dissertation, report or a paten
QUESTION Awards for good performance are increasingly employed within the public service in many countries. These may or may not have a financial value. Performance-related pay
A Structural Model: domain, community and practice In spite of having a variety of forms which the communities of practice take a lot of basic structure is shared. A community
QUESTION The unique social, economic and environmental characteristics of SIDS, such as high population density, relative isolation, limited availability of land space and pauc
Question: "Resistance to change is not only a predictable part of change, it is perhaps the most difficult phase to deal with. People resist change for good reasons, even thoug
Cluster Sampling In cluster sampling there is a successive random . sampling of units. The first unit to be sampled is large grouping or clusters. For example, in drawin
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