IGCSE Development Studies: Specimen Questions with Answers 38 - 39 of 98

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Research Methodology

Question 38 (3 of 7 Based on Passage)

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Explain two methods of choosing sampling.

Explanation

  • Stratified sampling: It divides the population by certain characteristics into different homogeneous strata (like, PhD students, masters, bachelors) . Elements in each stratum is homogeneous but are heterogeneous across. After selecting the strata, a simple random sampling or systematic random sampling is done on each stratum to the proportion of each strata.
  • Quota Sampling: In quota sampling the population is first segmented into mutually exclusive sub-groups, as in stratified sampling. Then the judgement of the investigator is used in selecting the subjects or units from each segment in a proportion. E. g. Interview took sample of 200 females and 400 males between the age group 35 - 55.

Question 39 (4 of 7 Based on Passage)

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What is research methodology?

Explanation

Research methodology is defined as highly intellectual human activity used in the investigation of nature and matter and deals especially with the way data is collected, analyzed, and interpreted. Research is therefore a systematic inquiry that provides information too guide business decisions. It collects data and information for the purpose of making decisions. Interviews, surveys, and various techniques can be adopted to conduct any study. The data and information collected could include present and historical background.