scholarly journals Characterizing noncompliance in conservation: a multidimensional Randomized Response Technique for multinomial responses

2018 ◽  
Author(s):  
Jacopo Cerri ◽  
Lapo Scuffi ◽  
Annamaria Nocita ◽  
Marco Zaccaroni ◽  
Andrea Lenuzza ◽  
...  

Rule violation is critical for biological conservation worldwide. Conventional questionnaires are not suitable to survey these violations and specialized questioning techniques that preserve respondents’ privacy, like the forced-response RRT, have been increasingly adopted by conservationists. However, most of these approaches do not measure multinomial answers and conservationists need a specialized questioning technique for real-world settings where non-compliance could occur in different forms. We developed a multidimensional, statistically-efficient, RRT which is suitable for multinomial answers (mRRT) and which allows researchers to test for respondents’ noncompliance during completion. Then, we applied it to measure the frequency of the various forms of illegal restocking of European catfish from specialized anglers in Italy, developing an operational code for the statistical software R. A total of 75 questionnaires were administered at a large fishing fair in Northern Italy, in winter 2018. Our questionnaires were easily compiled and the multinomial model revealed that around 6% of respondents had moved catfish across public freshwater bodies and private ponds. Future studies should better address their characteristics, and the mRRT could allow for modeling the effect of co-variates over restocking behavior. The multinomial mRRT could be adopted to measure many forms of rule violation in conservation that could take different forms, like various forms of fish restocking or different modes of wildlife persecution.


2020 ◽  
Author(s):  
Kirstie A. Ruppert ◽  
Carly C. Sponarski ◽  
Elizabeth Davis ◽  
Symon Masiaine ◽  
Lexson Larpei ◽  
...  

Biodiversity conservation depends on influencing human behaviors, but when activities are illegal or otherwise sensitive, actors can be hesitant to admit engagement with illicit behaviors. We applied Specialized Questioning Techniques (SQT) to estimate and compare behavioral prevalence of giraffe meat consumption between direct questioning and two SQTs, Randomized Response Technique (RRT) and Unmatched Count Technique (UCT), from 2017 to 2019. Comparisons between the two samples yielded significant differences across all three methods, with confidence intervals distinctly divergent between years. The significant disparity between the two samples for all three methods suggests that there was a true reduction in giraffe meat usage from 2017 to 2019. A key change in the study area between the two time periods was the introduction of a community-based program for giraffe conservation. Primary program activities, including ecological monitoring, community outreach and education, and collaboration with wildlife security teams, align with other conservation programs that have demonstrated reduced poaching pressures. This study demonstrates an application of SQTs to detect a decline of giraffe meat consumption, providing an alternative to self-reported data for monitoring sensitive behaviors related to direct exploitation and illegal uses of wildlife.



2022 ◽  
pp. 26-41
Author(s):  
Beatriz Cobo ◽  
Elvira Pelle

In situations where the estimation of the proportion of sensitive variables relies on the observations of real measurements that are difficult to obtain, there is a need to combine indirect questioning techniques. In the present work, the authors will focus on the item count technique, with alternative methods of sampling, such as the ranked set sampling. They are based on the idea proposed by Santiago et al., which combines the randomized response technique proposed by Warner together with ranked set sampling. The authors will carry out a simulation study to compare the item count technique under ranked set sampling and under simple random sampling without replacement.



2012 ◽  
Vol 11 (2) ◽  
pp. 77-85 ◽  
Author(s):  
Anne Jansen ◽  
Cornelius J. König ◽  
Eveline H. Stadelmann ◽  
Martin Kleinmann

This study contributes to the literature on self-presentation by comparing recruiters’ expectations about applicants’ self-presentational behaviors in personnel selection settings to applicants’ actual use of these behaviors. Recruiters (N = 51) rated the perceived appropriateness of 24 self-presentational behaviors. In addition, the prevalence of these behaviors was separately assessed in two subsamples of applicants (N1 = 416 and N2 = 88) with the randomized response technique. In line with the script concept, the results revealed that recruiters similarly evaluated the appropriateness of specific self-presentational behaviors and that applicants’ general use of these behaviors corresponded to recruiters’ shared expectations. The findings indicate that applicants who use strategic self-presentational behaviors may just be trying to fulfill situational requirements.



2017 ◽  
Vol 46 (23) ◽  
pp. 11756-11763 ◽  
Author(s):  
Femi B. Adebola ◽  
Adedamola A. Adediran ◽  
Olusegun S. Ewemooje


1986 ◽  
Vol 18 (3) ◽  
pp. 225-233 ◽  
Author(s):  
Arlene N. Weissman ◽  
Robert A. Steer ◽  
Douglas S. Lipton


2018 ◽  
Vol 32 (6) ◽  
pp. 1448-1456 ◽  
Author(s):  
Charlotte H. Chang ◽  
Maarten J. L. F. Cruyff ◽  
Xingli Giam




2019 ◽  
Vol 29 (3) ◽  
pp. 894-910 ◽  
Author(s):  
Amanda MY Chu ◽  
Mike KP So ◽  
Thomas WC Chan ◽  
Agnes Tiwari

Sensitive questions are often involved in healthcare or medical survey research. Much empirical evidence has shown that the randomized response technique is useful for the collection of truthful responses. However, few studies have discussed methods to estimate the dependence of sensitive responses of multiple types. This study aims to fill that gap by considering a method based on moment estimation and without using the joint distribution of the responses. In addition to the construction of a covariance matrix for the multiple sensitive questions despite incomplete information due to the randomized response technique design, we can calculate the conditional mean of continuous sensitive responses given as categorical responses and partial correlations among continuous sensitive responses. We conduct a simulation experiment to study the bias and variance of the moment estimator with various sample sizes. We apply the proposed method in a healthcare study of the dependence structure among the responses of a survey concerning health and pressure on college students.



1976 ◽  
Vol 40 (4) ◽  
pp. 531 ◽  
Author(s):  
S. M. Zdep ◽  
Isabelle N. Rhodes


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