Respondent driven sampling rds is a networkbased technique for estimating traits in hardtoreach populations, for example, the prevalence of hiv among drug injectors. Populations such as these are difficult to sample using standard survey research methods for two reasons. May be biased by initial choice of seeds, volunteerism, dependence between. Similar to snowball sampling, initial seed respondents recruit additional respondents from their network of friends. Respondentdriven sampling rds is a method of chain referral sampling popular. One of the most wellknown forms of nonprobability sampling is the snowball sampling method, which is particularly suitable when the population of interest is hard to reach and compiling a list. Implementation of webbased respondentdriven sampling. First, they lack a sampling frame, that is, an exhaustive list of population members from which the. Novel sampling design for respondentdriven sampling mohammad khabbazian1, bret hanlon 2, zoe russek, and karl rohe 1department of electrical and computer engineering, university of wisconsinmadison 2department of statistics, university of wisconsinmadison abstract respondent driven sampling rds is a method of chain referral sampling popular.
Combining the results of the three preceding parts yields. Respondent driven sampling 243 this paper makes two main contributions. Similarly to snowball sampling, initial seed respondents recruit. Formative research to optimize respondent driven sampling surveys among hardtoreach populations in hiv behavioral and biological surveillance. Extensions of respondent driven sampling 159 0 5 10 15 20 25 20 25 30 35 40 45 50 55 60 65 70 age percentage multiplicity al2 al3 al4 al5 al6 al7 al8 al9 a 0 5 10 15 20 25 30 35 40 20 60 100 140 180 220 260 300 340 380 420 460 500 540 580 620 660 700 degree percentage multiplicity dualcomponent rds b.
Respondentdriven sampling rds employs a variant of a linktracing network sampling strategy to collect data from hardtoreach populations. Heckathorn, university of connecticut a population is hidden when no sampling frame exists and public acknowledgment of membership in. This method reduces the tendency to exaggerate socially ac. Respondentdriven sampling is a novel variant of linktracing sampling for estimating the characteristics of hardtoreach groups, such as hiv prevalence in sexworkers. Response to irregularities in lacour and green 2014. By tracing the links in the underlying social network, the process exploits the social structure to expand the sample and reduce its dependence on the initial convenience sample. The objective of this study was to examine the interrelationships among individualism, collectivism, homosexualityrelated stigma, social support, and condom use among chinese homosexual men.
Johnstona and keith sabinb auniversity of california bworld health organisation abstract cost effective and targeted prevention, intervention and treatment programs for hardtoreach populations at risk for hiv. For example, the results in figure 4 show a design effect of 2. Research article probability sampling method for a hidden. Extensions of respondentdriven sampling 157 table2a rdsandmultiplicityanalysisforage,partitionedbyquintiles ageofrecruit recruitmentcount recruitmentproportion ageofpersonwhorecruited age2033 age3442 age4349 age5058 age59101 total age2033 10 3 2 2 30 0. Probability based estimation theory for respondent driven sampling. The analyses employ data from an rds sample of 264 jazz musicians. Sampling hardtoreach populations with respondent driven.
Respondentdriven sampling rds sage research methods. Respondent driven sampling rds is a method for drawing probability samples of hidden, or alternatively, hardtoreach, populations. Variance estimation, design effects, and sample size. Novel sampling design for respondentdriven sampling. Respondentdriven sampling is a network sampling technique typi cally employed for hardtoreach populations for example, drug users, men who have sex with men, people with hiv. Respondent driven sampling rds is a networkbased form of chainreferral sampling used to estimate attributes of populations that are dif. Comparision of snowball sampling and sequential sampling. Chinese culture, homosexuality stigma, social support and. In recent years rds has been used in more than 120 studies in more than 20 countries and by leading public health organizations, including the centers for disease control and prevention in the united states. Similarly to snowball sampling, initial seed respondents recruit additional respondents from their network of friends. Implementation of webbased respondentdriven sampling among men who have sex with men in vietnam linus bengtsson1, xin lu1,2, quoc cuong nguyen3, martin camitz1, nguyen le hoang4, fredrik liljeros2, anna thorson1 1 karolinska institutet, dept.
Assessment of respondent driven sampling for recruiting. Applying respondent driven sampling to migrant populations. Methods a crosssectional study using the respondent driven sampling approach was conducted among 351 participants in shenzhen, china. Respondent driven sampling is a network sampling technique typi cally employed for hardtoreach populations for example, drug users, men who have sex with men, people with hiv. This sampling method, known as respondent driven sampling rds, is a variant of chainreferral sampling that utilizes an incentive for being interviewed and another incentive for recruiting peers other fsws to be interviewed. Respondentdriven sampling is a new form of chainreferral sampling that was designed to reduce several sources of bias associated with thismethod,includingthosefromthechoiceofinitialparticipants,volunteerism,andmasking. Hidden population size estimation from respondentdriven sampling. Despite its use by leading health organizations, the performance of this method in realistic situations is still largely unknown. The respondent driven sampling coupon manager rdscm provides a convenient way to keep track of coupons numbers and respondent compensation. Timespace sampling and respondentdriven sampling with. Respondent driven sampling rds is a network sampling technique typically employed for hardtoreach populations e. Pdf applying respondent driven sampling to migrant. Estimating uncertainty in respondentdriven sampling using.
Johnston lg, whitehead s, simiclawson m, kendall c. A r e s o u r c e g u i d e f o r s t e e r i n g c o m m i t t e e s 1 table of contents. Overlooked threats to respondent driven sampling estimators. First, inferences about individuals must rely mainly on the initial sample, since additional individuals found by tracing chains are never found randomly or even with known biases. Novel sampling design for respondentdriven sampling arxiv. Rds encompasses a collection of methods to both sample a population and. Prevention of alcohol abuse requires information about all demographic groups. Hence snowball sampling and respondent driven sampling allow participants to make estimates about the social network connecting the hidden population. Driven sampling rds, a rigorous chainreferral method which allows unbiased. English, russian, spanish, french, chinese, greek and vietnamese.
Recruitment used a social network respondent driven sampling design in which each seed was asked to recruit three friends, and those friends were asked to recruit three friends, for a total of. Pdf respondentdriven sampling of muslim undergraduate. Respondent driven sampling rds is a sampling method designed to generate unbiased estimates of population characteristics for populations where a sampling frame is not available. Salganik is with the department of sociology, 1180 amsterdam avenue, new york, ny 10027, usa. Pdf respondentdriven sampling is a network sampling technique typi cally. Respondent driven sampling with online recruitment and. Default password for rdscm is password all lowercase rdscm is available six languages. However, little is known about drinking among people affiliated with proscriptive religions due to omission of religious affiliation in many surveys and.
Although it has grown quickly in popularity since its introduction, the statistical properties of rds estimates remain elusive. Implementation challenges to using respondent driven sampling methodology for hiv biological and behavioral surveillance. A recent development in sampling methodology, respondent driven sampling rds, was designed to overcome some of these limitations by providing breadth of coverage with statistical validity. Intensive sociometric network data were collected from a typical respondent driven sample rds of 528 people who inject drugs residing. The use of snowball sampling in research on hidden populations created a widespread perception of snowball sampling in particular and chainreferral methods in general as convenience sampling methods. Respondentdriven sampling rds, combines snowball sampling with a mathematical model that weights the sample to compensate for the fact that the sample was collected in a nonrandom way. Respondent driven sampling rds, a chain referral sampling approach, is increasingly used to recruit participants from hardtoreach populations, such as injection drug users idus. Pdf implementation challenges to using respondentdriven. Because respondent driven sampling generally provides less information, we expect that the design effect will generally, but not always, be greater than 1.
Respondentdriven sampling datasets uk data service. Respondent driven sampling is a network sampling technique typically employed for hardtoreach populations for example, drug users, men who have sex with men, people with hiv. Webbased respondent driven sampling webbased rds is presented as one solution to researching hidden populations of multiple migrants based worldwide, for which sampling frames are not available. In some cases, these hidden populations are socially stigmatized, and the. Implementation and analysis of respondent driven sampling. This paper introduces a new variant of chainreferral sampling, respondentdriven sampling, that employs a dual system of structured incentives to overcome some of the deficiencies of such samples. A method combining aspects of both snowball and rds sampling was used. Topics covered include installing the analysis tool, and preparing data from spss, excel, sas, and the rds coupon manager. Hardtosurvey populations and respondentdriven sampling. Respondentdriven sampling the university of texas at dallas. Novel sampling design for respondentdriven sampling mohammad khabbazian1, bret hanlon 2, zoe russek, and karl rohe2 1department of electrical and computer engineering, university of wisconsinmadison 2department of statistics, university of wisconsinmadison abstract respondent driven sampling rds is a type of chain referral sampling popular. We note s, the respondentdriven sample, and sa and sb, the sample of. Hidden population size estimation from respondentdriven.
554 99 739 950 115 684 282 147 1194 684 249 497 331 47 892 618 761 519 468 1031 529 853 1264 1172 486 531 182 39 1170 23 1009 495 972 695 1116 988 1031 1110 132 456 1449 381 417 1415 701 1061