4. Researchers often believe that they can obtain a representative sample by using a sound judgment, which will result in saving time and money". Purposeful sampling is a technique widely used in qualitative research for the identification and selection of information-rich cases for the most effective use of limited resources (Patton, 2002).This involves identifying and selecting individuals or groups of individuals that are especially knowledgeable about or experienced with a phenomenon of interest . 2.10 Reflexivity. probability sampling plans are more dependable than others and could offer an important lead to potentially useful information with regard to the population (Cavana et al., 2001). Using Lynn's widely used model for content validity, an Purposive sampling is different from convenience sampling and is also known as judgmental, selective, or subjective sampling. Creswell 1998 points that the best criteria to determine the use of . Additionally, qualitative samples are purposive, that is, selected by virtue of their capacity to provide richly-textured information, relevant to the phenomenon under investigation. Sample and Data Collection Strategy in Phenomenology The samples or participants in phenomenological research are generally chosen according to what is known as "purposive sampling". A STUDY ON PURPOSIVE SAMPLING METHOD IN RESEARCH Neetij Rai Bikash Thapa CHAPTER I: INTRODUCTION 1.1 GENERAL BACKGROUND Research is a scientific process of investigation and experimentation that involves the systematic collection, analysis and interpretation of data to answer a certain question or solve problem.1 Hence, being systematic it has certain methods and techniques to gather the . The general principle, I focused on these people because they were found to have certain attributes relevant to the phenomenon in that they were Researchers often believe that they can obtain a representative sample by using a sound judgment, which will result in saving time and money". Purposive sampling was adopted (Creswell, 2007; Denzin & Lincoln, 2000:370; Miles & Huberman, 1994) to select 20 teachers, four school heads and two Ministry of Education, Sport, Arts and Culture officials. The Qualitative Report 2015 Volume 20, Number 11, Article 4, 1772-1789. help in the sample of all single parents or femal e and male head of households (Gibbs et al, 2007). Kruger & Mitchell, 2005, p.69). 3.7.1 Purposive Sampling According to Herman (2016), purposive sampling is referred to as judgmental sampling. Purposive Sampling generalizable or the existence of a particular kind of case will undermine all that you 'know' to be true about a phenomenon, then look for that kind of case." These do not exhaust the possibilities but illustrate some of the strategic lenses through which purposive sampling can be considered. In this study, purposive sampling will be of importance towards an approximation of population features (Creswell, 2013). Purposeful sampling is widely used in qualitative research for the identification and selection of information-rich cases related to the phenomenon of interest. A random sampling strategy would be inappropriate for the exploration of the central In quota sampling, quotas are set to ensure that the sample represents certain characteristics in proportion to their prevalence in the population. The In addition, purposeful sampling gives freedom to the [1] done using purposive and convenience sampling techniques. Thus, the number of people in various categories of the sample is fixed. As EMMEL (2013) noted, with theoretical or purposive sampling, the researcher is reflexive and makes decisions in response to empirical findings and theoretical developments that occur in the study. The study targeted subject teachers of Geography, English, History, and Business . As a result, purposive sampling [6, 7] - as opposed to probability sampling employed in quantitative research - selects 'information-rich' cases . The researcher used purposive sampling to select 16 participants. According to Khan (2017), the qualitative method facilitates the holistic . followed by the traditional purposive sampling techniques. researcher is to "construct" the studied object according to its own manifestations, structures and components (Ponce, 2014). I focused on these people because they were found to have certain attributes relevant to the phenomenon in that they were The researcher asks for the (Creswell, 2005, in Maree, 2007: 261) defines a mixed methods research as a procedure for . Kruger & Mitchell, 2005, p.69). Principles of Purposeful Sampling. A structured questionnaire was utilised to gather information from respondents. A structured questionnaire was utilised to gather information from respondents. The purposive sampling technique, also called judgment sampling, is the deliberate choice of an informant due to the qualities the informant possesses. Purposive sampling is a non-probability sampling method and it occurs when "elements selected for the sample are chosen by the judgment of the researcher. A typical systematic design has been demonstrated by Peine (2003) to investigate gifted students' experience of sitting and waiting in a regular classroom. sampling, a researcher first identifies relevant categories of people (e.g., male, female; under age of 30, over the age of 30), then decides how many to get in each category. Purposive sampling is a non-probability sampling method and it occurs when "elements selected for the sample are chosen by the judgment of the researcher. summary of sampling recommendations, literature related to sample size, and existing studies of qualitative sample sizes. help in the sample of all single parents or femal e and male head of households (Gibbs et al, 2007). Purposive sampling is an informant selection tool wide-ly used in ethnobotany (Table 1). Stratified random sampling Prior to data collection, the researcher sought approval of the was used to select 185 students and 56 instructors basing on planned study from an ethical . summary of sampling recommendations, literature related to sample size, and existing studies of qualitative sample sizes. According to Creswell, (2015) purposeful sampling allows the researcher to select individuals or sites that are ―information rich‖ and may provide useful information about the central phenomenon (p. 205).
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