Describe the differences between statistical and non-statistical sampling in terms of (1) the sample selection methods used‚ and (2) quantification of sampling risk. Ans: Nonstatistical sampling differs from statistical sampling in that non-probabilistic sampling can be used for the former but not the latter. In addition‚ sampling risk can be quantified when using statistical sampling but not when using nonstatistical sampling. 2. Directed sample selection is the selection of each item in
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1.0 Content No. Title Page 1.0 Content 1 2.0 Task 1 2 3.0 Task 2 3 4.0 Task 3 4 5.0 Task 4 5 – 7 6.0 Task 5 8 – 9 7.0 Task 6 10 – 11 8.0 Conclusion 12 9.0 Reference 13 10.0 Coursework 14 – 18 2.0 Task 1 2.1 Construct a two-way tabulation with row for the city areas and columns for the method of payment. Work out the figures that are not quoted in the summary by using the information provided. Area Pass Cash Total East 35000 43000 78000 North 43000 81000
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programs. Although this study is in relation to its research hypotheses‚ its research appears to be vague and by defining some of its research population would make the article more reliable. The author should have used the systematic or stratified sampling methods to better define its research results. The study’s objective of integrating total absence management into an organization is well defined. The results from its research definitely prove how total absence management effects an organization
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Social research consists of the process of formulating and seeking answers to questions about the social world. The methods of social research can be applied to investigate any curiosity‚ and our understanding of them can make us smarter consumers‚ better-informed voters‚ and better students A knowledge of methods can benefit you as both a consumer and a producer of research evidence Consuming research evidence “Beware of Crosswalks…they’re dangerous” example about more accidents in marked
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did group one use? a. Ordinal b. Interval c. T-test d. Chi square 3. What kind of sampling method was used in group one’s study? a. Convenience b. Random c. Accidental d. Quota 1)What is a type of nonprobability sampling procedure that involves the selection of the most readily available people or objects for a study? a. convenience sampling b.quota sampling c.snowball sampling d. judgemental sampling 2)What type of scale contains five or seven responses for each item‚ ranging from "strongly
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in (Ibadan North east Local Government). The focus population for this study encompasses headmaster‚ assistance headmaster‚ teaching and non-teaching staffs of selected gifted and talented school in Ibadan North east Local Government). Stratified random sampling techniques was adopt in selecting the teaching and non-teaching staff with the use of questionnaire for data collection. The instrument used in data collection in this study was questionnaire and simple percentage for the analysis of data
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RESEARCH Research is defined as the creation of new knowledge and/or the use of existing knowledge in a new and creative way so as to generate new concepts‚ methodologies and understandings. This could include synthesis and analysis of previous research to the extent that it leads to new and creative outcomes. This definition of research is consistent with a broad notion of research and experimental development (R&D) as comprising of creative work undertaken on a systematic basis in order to
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Variables - any factor that can change in amount or kind over time. Eg age‚ time‚ IQ‚ memory etc An experiment tests the cause-effect relationship between variables Independent variable – the variable that is systematically manipulated‚ changed or varied in some way by the experimenter‚ in order to assess its effect on participant’s responses (DV) Dependent variable – the variable that the experimenter is measuring‚ shows any effects of the IV It is called the DV because whether or not it will
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* Introduction: Sampling is a familiar part of daily life. A customer in a bookstore picks up a book‚ looks at the cover‚ and skims a few pages to get a sense of the writing style and content before deciding whether to buy. A high school student visits a college classroom to listen to a professor’s lecture. Selecting a university on the basis of one classroom visit may not be scientific sampling‚ but in a personal situation‚ it may be a practical sampling experience. When measuring every item in
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I. Background As an immigrant and a student in Health Services Research course‚ this article caught my attention immediately. This article specifically focused on exploring and measuring variations in the use of health care services by undocumented Mexicans and other undocumented and their experiences with health care providers. The issue of undocumented immigrants has been the center of political debates for quite some time in the U.S. There are an estimated 11 million undocumented individuals
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