Aquaculture Research Methodology

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Chapter 3
3.0 Research Methodology
3.1 Introduction
This chapter describes the methodologies used in the study. In this research, the perceptions of local community residents towards the Buguma aquaculture farm in terms of positive and negative impacts according to Andrew, R. and Venise, C. (2014) were analyzed. Fisher folks and the general public, specifically head of households were interviewed through structured questionnaire to filter out their opinion based on the impacts recorded from the establishment and the operation of the Buguma fish farm.
3.2 Research Design
This study belongs to the class described as ‘Passive-Observational (Cook and Campbell, 1979), because there is no manipulation of subjects of the research, as opposed to Quasi-Experimental
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The later comprised government records, past research works, maps and information published in hard copies and online journals, books and other literatures related to the research problem, while the former included pre-coded questionnaires, key informants, small group discussions, direct observation and specially prepared data collection formats.
3.4 Field Research Strategies
The field research comprised the following operations: a. Reconnaissance survey, b. Structuring of questionnaires, c. Listing of streets, buildings and households in Buguma to provide a sample frame for the household questionnaire administration and d. Probability sampling of streets, buildings, households and respondents.
3.3 Population and Sample
3.3.1 Population of Study (Sample Frame)
The population of this study is the entire population of Buguma as shown by the 1991 census published figure for Buguma as 135,404. This figure serves as the base year population. To ascertain the current population of Buguma (2016), the Exponential Growth Model (Oppeinheimer, 1981) was used. The formula is given by
Pn = Po (1 + r)
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This is an indication of the population for which the study was generalized.
However, this study involves only 0.002329%, Cochran’s (1977) of the entire population which represents 384 respondents (See Table 3.1). Thus, this implies that a total of 164,901 populations were selected, and 0.002329% of this population was drawn and chosen for sampling to get the exact number of respondents to be interviewed making the sample size to be 384 respondents. The reason for this sample size of 0.002329% is to get a sizeable number of respondents in the community. Using the Cochran’s (1977) correction formula to determine the final sample size with the application of the formula:
Using the Cochran’s (1977) correction formula to determine the final sample size with the application of the formula: n1 = n 1 + no N
Where
n1 = the expected sample size no = proportion of the population to be sampled =

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