scholarly journals Quota Sampling as an Alternative to Probability Sampling? An Experimental Study

2014 ◽  
Vol 19 (1) ◽  
pp. 56-66 ◽  
Author(s):  
Keming Yang ◽  
Ahmad Banamah
Keyword(s):  
Presidential Elections ◽  
Sampling Method ◽  
Sampling Methods ◽  
Response Rate ◽  
Probability Sampling ◽  
Two Factors ◽  
The Difference ◽  
Quota Sampling ◽  
Student Society ◽  
Experimental Survey

In spite of the establishment of probability sampling methods since the 1930s, non-probability sampling methods have remained popular among many commercial and polling agents, and they have also survived the embarrassment from a few incorrect predictions in American presidential elections. The increase of costs and the decline of response rates for administering probability samples have led some survey researchers to search for a non-probability sampling method as an alternative to probability sampling. In this study we aim to test whether results from a quota sample, believed to be the non-probability sampling method that is the closest in representativeness to probability sampling, are statistically equivalent to those from a probability sample. Further, we pay special attention to the effects of the following two factors for understanding the difference between the two sampling methods: the survey's topic and the response rate. An experimental survey on social capital was conducted in a student society in Northeast England. The results suggest that the survey topic influences who responded and that the response rate was associated with the sample means as well. For these reasons, we do not think quota sampling should be taken as an acceptable alternative to probability sampling.

Non-Probabilistic Sampling in Quantitative Clinical Research

2022 ◽  
Vol 7 (1) ◽  
pp. 0-0
Keyword(s):  
Best Practices ◽  
Quantitative Research ◽  
Sampling Method ◽  
Sampling Methods ◽  
Early Career ◽  
Probability Sampling ◽  
Probabilistic Sampling ◽  
Quantitative Studies ◽  
Health Studies ◽  
Probabilistic Sample

Quantitative researchers need a probabilistic sample to generalise their findings, but research constraints often compel them to use non-probabilistic samples. The use of non-probability sampling methods in quantitative studies has therefore become a norm. Interestingly, even studies published in top-quality journals compromise best practices that the use of non-probabilistic samples requires. Based on a thorough review of relevant studies, we developed a typology of non-probability sampling methods used in quantitative health studies. An attempt was made to discuss the limit of inference under each type of non-probability sampling method. Non-probability sampling in quantitative research was also delineated as a way to maximise response rate. This study is expected to guide students and early career epidemiologists to understand how to apply non-probabilistic sampling methods in quantitative approaches and plausibly document or report their chosen methods.

scholarly journals Perbedaan cash holding pada perusahaan Dengan leverage tinggi dan rendah

2011 ◽  
Vol 1 (1) ◽  
pp. 57
Author(s):  
Anggita Langgeng Wijaya
Keyword(s):  
Sampling Method ◽  
Sampling Methods ◽  
Stock Exchange ◽  
Hypothesis Test ◽  
Cash Holdings ◽  
Cash Holding ◽  
Purposive Sampling ◽  
Manufacturing Company ◽  
The Difference ◽  
Test Use

This research tests the difference of cash holdings based on high and low corporate leverage for a sample of manufacturing company enlisted in Indonesian Stock Exchange over the pe- riod 2005-2007. Population of this research is all of manufacturing company at Indonesian Stock Exchange. Sampling methods use purposive sampling method. Hypothesis test use Mann- Whitney analysis. The results show that there are significance difference of cash holding among high leverage and low leverage firm. Firm with high leverage hold lower level of corpo- rate cash holdings. Keyword: cash holding, dummy, leverage.

scholarly journals Pengaruh Non-Probability Sampling Batubara terhadap Parameter Dry Ash Antara Certificate of Analysis Loading dan Unloading

Kilat ◽  
2020 ◽  
Vol 9 (1) ◽  
pp. 1-8
Author(s):  
Denny Murdany Muchsin
Keyword(s):  
Research Method ◽  
Quantitative Methods ◽  
Sampling Method ◽  
Steam Power ◽  
Probability Sampling ◽  
Standard Testing ◽  
Analysis Process ◽  
American Standard ◽  
Loading And Unloading ◽  
The Difference

Umpire test (referee test) may be conducted by the coal supplier based on the potential loss due to the difference Certificate of Analysis (COA) in both ports (loading and unloading). The purpose of the research was to determine a comparison of COA from non-probability sampling compiled with standard. The research method used quantitative methods by collecting COA data on both ports. These data on the receipt of coal was obtained from a coal-fired steam power plant (PLTU). A Sampling at both ports was conducted by the non-probability sampling method. The assumption was determined that the sample preparation and analysis process had complied with the American Standard Testing and Material (ASTM) standards. The ratio of ash (dry basis) in both COA to its average was processed statistically by taking confidence intervals with a confidence level of 95%. This research showed that the ratio was in the range of 10.213% up to 16.793%, exceeding precision 10% as required by ASTM D2234-16. Therefore, the comparison of COA data from non-probability sampling, could not be used as a reference for the doubt of the work of independent surveyors e.g. COA unloading, then it is technically that umpire test could not be conducted by such comparison.

Sampling Methods

2020 ◽  
Vol 36 (2) ◽  
pp. 224-226 ◽  
Author(s):  
Andrea E. Berndt
Keyword(s):  
Sampling Method ◽  
Sampling Methods ◽  
Sampling Techniques ◽  
Design Quality ◽  
Quality Research ◽  
Probability Sampling ◽  
Critical Questions ◽  
Potential Problems ◽  
Pros And Cons

Knowledge of sampling methods is essential to design quality research. Critical questions are provided to help researchers choose a sampling method. This article reviews probability and non-probability sampling methods, lists and defines specific sampling techniques, and provides pros and cons for consideration. In addition, issues related to sampling methods are described to highlight potential problems.

scholarly journals ANALISIS KESEDIAAN KONSUMEN UNTUK MEMBAYAR PRODUK TEMPE HYGIENE RUMAH KEDELAI GROBOGAN DI KABUPATEN GROBOGAN

2020 ◽  
Vol 13 (2) ◽  
pp. 145
Author(s):  
Desita Kencana Sari ◽  
Titik Ekowati ◽  
Agus Setiadi
Keyword(s):  
Willingness To Pay ◽  
Sampling Method ◽  
Public Awareness ◽  
Descriptive Analysis ◽  
Average Price ◽  
Market Place ◽  
Average Value ◽  
Real Price ◽  
The Difference ◽  
Quota Sampling

Public awareness of health is currently rising. Now consumers tends to consider the health benefits such as tempe hygiene. Tempe hygiene processed with hygienic using Varieties Grobogan non-GMO, therefore it has good quality and higher price. This study aims to describe the characterictics of consumers, analyze the average value of the maximum that consumers are willingness to pay and determine the factors that influence consumers’ willingness to pay. This study was conducted at 5 Tempe Hygiene market place in Grobogan with a hundred respondents selected using a quota sampling method. Data were analyzed using the descriptive analysis to describe consumer characteristics, CVM (contingent valuation methode) analysis to calculate the average value of maximum WTP and logistic regression analysis to analyze the factor that affects the value of WTP. The result showed that as many as 82% of respondents were willing to pay more for tempe hygiene. The value of WTP is Rp 6,432.00 per pack (350 gram). Factors that significantly affect consumers’ WTP values were age, income and product quality. Based on the analysis result, it can be concluded that the consumers were willing to pay more for tempe hygiene products with the difference between the average price and the real price of 7,19%.

scholarly journals Studi Komparasi Taman Kota Lumintang Dan Taman Kota Puputan Margarana Niti Mandala Renon Sebagai Sarana Leisure And Recreation

2019 ◽  
Vol 6 (2) ◽  
pp. 237
Author(s):  
Shindi Ayu Permatasari ◽  
I Gusti Agung Oka Mahagangga
Keyword(s):  
Sampling Methods ◽  
City Center ◽  
Public Servant ◽  
The Difference ◽  
Leisure And Recreation ◽  
Quota Sampling ◽  
The City ◽  
City Park ◽  
Analyze Data ◽  
Descriptive Statistical Analysis

Lumintang City Park is located at Mulawarman Street, Lumintang, Dauh Puri Kaja, North Denpasar, while Renon City Park is located in Niti Mandala, Denpasar, Renon. Renon City Park Located in the middle of Denpasar City.Both places are in the same area, and not far from the city center. Both parks are very crowded visitors to do leisure and recreation activities. The method used to find the data is observation, interview, and questionnaire. The method used to determine the sample is quota sampling and accidental sampling. Methods for analyze data is comparative analysis and descriptive statistical analysis. The purpose of this research was to know the comparison between Lumintang city Park and Renon City Park as a place of leisure and recreation. The result of comparison with the first aspect is he leisure equation as a activities and the mood / positive mental, the difference is in the number of visitors. the second is recreation equations visitors a lot to relax at the day, the difference is in the number of respondents. The third aspect is physical motivations the equaptions is for sports, the difference is the number of respondents. The fourth aspect is facilities include sports equipment and children playground, the equation good management, the difference is the number of respondents. The equation is a good parking area management and the differences is in the number of respondents and the equaptions isa  good toilet management and the difference in the number of respondents. The similarity is there is no management for the trash can, the difference is in Lumintang city park many respondents said not good while in Renon city Park many respondents stated good. And the last management of the park bench the equation does not exist whereas the difference is in Lumintang city park many respondents stated good and in Renon City Park many respondents stated not good. The fifth aspect is visitor aspect of the equation there are many female visitors, the difference is number of respondents. The age aspect the equation is age of visitors is 16-25 years old, the difference is the number of respondents. Equality in employment is public servant, the difference is number of respondents. For the origin of the region there is no similarity and thedifference is in Lumintang City Park many visitors that comes from Denpasar while in Renon City Park many visitors from the outside Denpasar. Keywords : comparison, leisure, recreation, lumintang city park, niti mandala renon city park

scholarly journals Application of Point Sampling Method in Estimation of Stand Basal Area in Community Forest

2018 ◽  
Vol 1 (1) ◽  
pp. 45-54
Author(s):  
Budi Mulyana ◽  
Rohman Rohman ◽  
Ris Hadi Purwanto
Keyword(s):  
Direct Measurement ◽  
Sampling Method ◽  
Sampling Methods ◽  
Basal Area ◽  
Community Forest ◽  
Point Sampling ◽  
Community Forests ◽  
Average Value ◽  
The Difference ◽  
Materials Used

Estimation of the potency of community forest is usually done with the census approach for each forest. Sampling methods to estimate the potency of community forest are still rare. The size of community forest is relatively small, scatter, and less irregular shape, therefore the estimation of community forest potency using sampling plot is difficult to apply. The approach of sampling without a plot (plotless/ point sampling) was cheaper and faster compare to the method of sample plots and direct measurement (census) in predicting basal area. The objective of this research is determining the difference in the average value of basal area using direct measurement of stand (census) and point sampling methods. The research was carried out for 4 months in 30 community forests at Kemuning Village, Gunungkidul District. Materials used to estimate basal area with point sampling method were Spiegel Relascope and Bitterlich Stick with the value of Basal Area Factor 1. Parameters measured were diameter at breast high (dbh) for census method and the number of trees were categorized in or border for point sampling method. The result was analyzed statistically using unpaired t-student. The result showed that the average of basal area of tree in community forest with point sampling method were no significantly different from the average of basal area with census method (α = 1%). Therefore, the point sampling method can be considered as a tool in inventory at community forest

scholarly journals Pengajuan Analisa Marketing Mix-4p Terhadap Purchase Intention Produk Aqua Di Dki Jakarta

2019 ◽  
Vol 2 (3) ◽  
Author(s):  
Airin Anggraeni Sutedjo
Keyword(s):  
Purchase Intention ◽  
Sampling Method ◽  
Sampling Methods ◽  
Sample Selection ◽  
Marketing Mix ◽  
Analysis Model ◽  
Probability Sampling ◽  
Research Findings ◽  
Research Questions

This research aims to analyze the effect Marketing Mix-4P on consumer’s Purchase Intention towards Aqua Product in DKI Jakarta. Data used in this research were obtained from questionnaires (primary). Sampling Methods used in this study using the Non-Probability Sampling Method, in which each element in the population does not have the opportunity or the same opportunity to be selected as a sample. The technique used is Convenience Judgment Sampling because the respondents selected are respondents who are willing and can help answer the research questions asked. To facilitate the study, the researcher has determined the criteria to be used in the sample selection in this research. The sample used by the researcher is people who live in DKI Jakarta province. Research findings show that the four Marketing Mix variables used in this study, Price, Product, and Promotion variables have a significant effect on Aqua Product Purchase Intention. Meanwhile, the Marketing Mix variable that does not provide significant impact to Aqua Product Purchase Intention is Place. The contribution of the four Marketing Mix variables included in the analysis model of the Purchase Intention of Aqua Products is 47.3% and the rest of 52.7% is influenced by other factors not tested in this study.

scholarly journals Utilization of Zakat Funds on The Welfare Dimensions of The Poor In Aceh Besar (Baitul Mal Mustahik Case Study)

2021 ◽  
Vol 1 (1) ◽  
pp. 56-68
Author(s):  
Ulya Utari ◽  
Nurma Sari ◽  
Amri Amri
Keyword(s):  
Multivariate Analysis ◽  
Sampling Method ◽  
Quantitative Approach ◽  
Probability Sampling ◽  
The Poor ◽  
Several Variables ◽  
Quota Sampling

This study aims to analyze the effect of zakat funds utilization on the dimensions of the welfare of the poor in Aceh Besar. This research uses a quantitative approach by multivariate analysis (Manova) method. Data was collected by interviewing and distributing questionnaires to mustahik the Baitul Mal Aceh, using the Probability Sampling method and using the Quota Sampling Model. The utilization of zakat funds is reviewed in the scope of categories of types of businesses (agriculture, trade, and services), while the welfare dimension is measured by several variables (food, clothing, Education, Health, and Savings). Findings. The results showed that the type of business had a significant effect on the dimensions of welfare. Agriculture was the type of business with the highest level of welfare, followed by services and trade.

Slow Down You’re Moving Too Fast

2015 ◽  
Vol 27 (2) ◽  
pp. 53-63 ◽  
Author(s):  
Annie Lang ◽  
Nancy Schwartz ◽  
Sharon Mayell
Keyword(s):  
Older Adults ◽  
Cognitive Aging ◽  
Attention And Memory ◽  
Younger Adults ◽  
Media Messages ◽  
Two Factors ◽  
The Difference

The study reported here compared how younger and older adults processed the same set of media messages which were selected to vary on two factors, arousing content and valence. Results showed that older and younger adults had similar arousal responses but different patterns of attention and memory. Older adults paid more attention to all messages than did younger adults. However, this attention did not translate into greater memory. Older and younger adults had similar levels of memory for slow-paced messages, but younger adults outperformed older adults significantly as pacing increased, and the difference was larger for arousing compared with calm messages. The differences found are in line with predictions made based on the cognitive-aging literature.

Sign in / Sign up

Export Citation Format

Share Document