Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Conserved Binding Sites

Conserved Binding Sites

Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally...

What is Conservation Biology?

What is Conservation Biology?

Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.

Conservation of Small Populations

Conservation of Small Populations

Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...

Conservation of Protein Domains Over Different Proteins

Conservation of Protein Domains Over Different Proteins

Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...

Random Error

Random Error

Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...

Random Variables

Random Variables

A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Assessing the effectiveness of riparian buffers in protecting biodiversity: a meta-analysis.

Nature communications·2026

Same author

Modeling Evasive Response Bias in Randomized Response: Cheater Detection Versus Self-protective No-Saying.

Psychometrika·2026

Same author

Degradation of fish food webs in the Anthropocene.

Science advances·2026

Same author

Automating the analysis of public saliency and attitudes toward biodiversity from digital media.

Conservation biology : the journal of the Society for Conservation Biology·2026

Same author

Direct mortality due to humans threatens migratory shorebirds.

Nature ecology & evolution·2025

Same author

Community composition as an overlooked driver of spatial population synchrony.

PNAS nexus·2025

Search research articles

Related Experiment Video

Updated: Feb 10, 2026

Stereoacuity Improvement using Random-Dot Video Games

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

Examining conservation compliance with randomized response technique analyses.

Charlotte H Chang^1,2, Maarten J L F Cruyff³, Xingli Giam⁴

¹Department of Ecology & Evolutionary Biology, Princeton University, 106A Guyot Hall, Princeton, NJ, 08544, U.S.A.

Conservation Biology : the Journal of the Society for Conservation Biology

|May 13, 2018

Summary

This study introduces zapstRR, an R package for analyzing complex survey data on natural resource violations. It enables better estimation of conservation noncompliance and intervention impacts.

Keywords:

conservation compliance cumplimiento de la conservación indirect survey techniques randomized response technique técnica de respuesta aleatoria técnicas de censo indirecto 环保法违规间接提问的技巧方式随机应答技术

More Related Videos

Examining the Role of Nasopharyngeal-associated Lymphoreticular Tissue NALT in Mouse Responses to Vaccines

Examining the Role of Nasopharyngeal-associated Lymphoreticular Tissue NALT in Mouse Responses to Vaccines

Published on: August 1, 2012

Author Spotlight: Improved Imaging for Neovascular Development in Congenital Heart Disease Research

Author Spotlight: Improved Imaging for Neovascular Development in Congenital Heart Disease Research

Published on: April 26, 2024

Related Experiment Videos

Last Updated: Feb 10, 2026

Stereoacuity Improvement using Random-Dot Video Games

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

Examining the Role of Nasopharyngeal-associated Lymphoreticular Tissue NALT in Mouse Responses to Vaccines

Examining the Role of Nasopharyngeal-associated Lymphoreticular Tissue NALT in Mouse Responses to Vaccines

Published on: August 1, 2012

Author Spotlight: Improved Imaging for Neovascular Development in Congenital Heart Disease Research

Author Spotlight: Improved Imaging for Neovascular Development in Congenital Heart Disease Research

Published on: April 26, 2024

Area of Science:

Conservation biology
Ecology
Environmental social science

Background:

Direct questioning on natural resource violations yields biased data.
Indirect questioning methods like the randomized response technique (RRT) offer solutions but require complex analysis.
Existing software for RRT data analysis is limited, especially for multivariate models.

Purpose of the Study:

To develop user-friendly software for analyzing RRT data.
To provide tools for estimating conservation noncompliance and intervention effects.
To facilitate the analysis of both single and multiple RRT questions.

Main Methods:

Development of the R package zapstRR (ZoologicAl Package for RRT).
Implementation of three RRT statistical models within the package.
Application of the package to case studies on illegal bird hunting and bushmeat consumption.

Main Results:

The zapstRR package offers functions for prevalence estimation, individual violation counts, and regression analysis.
The package can correct prevalence estimates for evasive-response bias.
Case studies demonstrate the utility of the models for uncovering distinct patterns in RRT data.

Conclusions:

zapstRR provides accessible tools for analyzing sensitive conservation-related survey data.
The package supports the estimation of noncompliance and the impact of conservation interventions.
Accurate analysis of RRT data is crucial for effective conservation management.