Research Instruments

1. The Questionnaire A questionnaire can be defined as a group of printed questions which have been deliberately designed and structured to be used to gather information from respondents. Advantages of using Questionnaire 1. They can be used to reach Read More …

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Modes of data collection

1. Personal Interview A personal interview (i.e face to face) is a two-way conversation initiated by an interviewer to obtain information from a respondent. The differences in roles of interviewer and respondent are pronounced. They are typically strangers, and the Read More …

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The sources and collection of data

In practice, most statistical data exist in official and private records that are compiled as part of the routine of the day-to-day activities of public organizations and private firms. Thus, government departments routinely record figures on such matters as births Read More …

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The Characteristics of Sound Measurement

What are the characteristics of a good measurement tool? An intuitive answer to this question is that the tool should be an accurate counter or indicator of what we are interested in measuring. In addition, it should be easy and Read More …

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