Stratified Two-Phase Ranked Set Sampling

Arnab, Raghunath; Anderson, George; Olaomi, John Olutunji; Rodríguez, Beatriz Castilla

doi:10.18187/pjsor.v15i4.2380

Cited by 2 publications

(2 citation statements)

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“…The research has used 13 observation variables, indicating that there could be 260 samples selected under the 1 to 20 ratio as the rule. Stratified sampling is used to collect data from 260 samples from the vocational students in Liuzhou, China (Arnab et al, 2019). Step 1 is identifying all universities and students in the population.…”

Section: The Quantitative Research Strategymentioning

confidence: 99%

“…30 Informants are selected under the purposive sampling to prepare for the qualitative analysis. The research performs purposive sampling as one convenience sampling technique, which belongs to the nonprobability sampling techniques and includes sampling biases to represent the conditions of the population with the identified samples (Arnab et al, 2019). However, it is still the best choice for the research to apply the convenience sampling technique because of the limited time and budget that the researcher could apply to recruit data from the selected samples for the empirical studies.…”

Section: The Qualitative Research Strategymentioning

confidence: 99%

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Explore How Knowledge, Family Culture, Marketing Innovations Contribute to Improved Entrepreneurial Intention of Vocational Students in China via Creating Their Positive Attitude on Entrepreneurship

Li,

Sawasdiruk

2023

ICCMETS Conference Proceedings 2023

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The paper constructs the framework and proposes the research methodology to explore factors related to the Vocational students Entrepreneurial Intention in China with attitude as the mediator. The problem to explore is what are the challenges faced by entrepreneurship vocational students in China, and how can educators and policymakers support them? The research gap identified based on previous studies is: previous studies had not identified and explored the mediating effect of “attitude” on understanding the many factors related to students Entrepreneurial Intention among vocational students in China. The conceptual framework is identified based on the research gap, with the self-determination theory, planned behaviour theory, and classical theories of entrepreneurship, as the theoretical foundation. Factors related to the Vocational students. Entrepreneurial Intention in China include family culture, knowledge and marketing innovation facing the vocational students. Attitude is the mediator exploring factors related to the students' Entrepreneurial Intentions in China. The proposed research methodology is identified and justified, referring to a combination of qualitative and quantitative strategies. In the quantitative data analysis, one online questionnaire is developed and listed on (www.wjx.com) to collect data from 260 samples of the 83,809 vocational students from Liuzhou City, Guangxi Province, China. Moreover, 30 Informants are selected under the purposive sampling to prepare for the qualitative analysis using online interviews. Six research hypotheses are developed based on the identified research problems after the literature review and the methodology section to direct future studies on empirical studies of the topic.

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Section: The Quantitative Research Strategymentioning

confidence: 99%

Section: The Qualitative Research Strategymentioning

confidence: 99%

Explore How Knowledge, Family Culture, Marketing Innovations Contribute to Improved Entrepreneurial Intention of Vocational Students in China via Creating Their Positive Attitude on Entrepreneurship

Li,

Sawasdiruk

2023

ICCMETS Conference Proceedings 2023

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Double extreme-cum-median ranked set sampling

Zubair,

Yasin,

Al-Bossly

et al. 2024

PLoS ONE

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Extreme-cum-median ranked set sampling has been developed to address the problem of heterogeneity and outliers / extreme values. Double ranked set sampling has been suggested to obtain more reliable samples using the concept of degree of distinguishability. Dealing with heterogeneous and non-normal populations seems to be an area with a dearth of research. This article endeavors to address this research gap by introducing a new, improved ranked set sampling procedure that combines the aforementioned approaches, which is called double extreme-cum-median ranked set sampling. A simulation study for some symmetric and asymmetric probability distributions has been conducted. The results show that the newly proposed scheme performs better than its competitors under perfect and imperfect ranking, but the best performance has been observed for Weibull distribution with perfect ranking. An empirical study utilizing real-life data following skewed distribution was carried out. The real-life data results align well with the Monte Carlo simulation outcomes. Due to its flexible ranking options, the newly proposed technique is suggested for heterogeneous and non-normal populations.

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Stratified Two-Phase Ranked Set Sampling

Cited by 2 publications

References 14 publications

Explore How Knowledge, Family Culture, Marketing Innovations Contribute to Improved Entrepreneurial Intention of Vocational Students in China via Creating Their Positive Attitude on Entrepreneurship

Explore How Knowledge, Family Culture, Marketing Innovations Contribute to Improved Entrepreneurial Intention of Vocational Students in China via Creating Their Positive Attitude on Entrepreneurship

Double extreme-cum-median ranked set sampling

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