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Open access

Research article

First published 2010-8

Time-Space Sampling and Respondent-Driven Sampling with Hard-to-Reach Populations

Salaam Semaan

Methodological Innovations

Retricted access

Research article

First published 2026

HEALON: Progressive hard sample attenuation for learning with noisy labels

Kaiwen Guo, Ming Ma, Xing Xu [...]

Intelligent Data Analysis: An International Journal

Retricted access

Introduction

First published 2011-1

Respondent-Driven Sampling With Hard-to-Reach Emerging Adults: An Introduction and Case Study With Rural African Americans

Steven M. Kogan, Cyprian Wejnert, Yi-fu Chen [...]

Journal of Adolescent Research

Retricted access

Research article

First published 2014-3

International comparison of measurements of hard magnets with the Vibrating Sample Magnetometer

F. Fiorillo, C. Beatrice, D. Son [...]

International Journal of Applied Electromagnetics and Mechanics

Open access

Research article

First published 2010-8

Sampling Hard-to-Reach Populations with Respondent Driven Sampling

Lisa G. Johnston, Keith Sabin

Methodological Innovations

Retricted access

Research article

First published 2017-4

Site Sampling and Snowball Sampling - Methodology for Accessing Hard-to-reach Populations

Warren D. TenHouten

Bulletin of Sociological Methodology/Bulletin de Méthodologie Sociologique

Retricted access

Other

First published 2010-12

Sampling ‘Hard to Reach’ Populations in Qualitative Research

Laura S. Abrams

Qualitative Social Work

Free access

Research article

First published 2001-1

A Venue-Based Method for Sampling Hard-to-Reach Populations

Farzana B. Muhib, Lillian S. Lin, Ann Stueve [...]

Public Health Reports®

Retricted access

Research article

First published 2003-04

A Discussion of Chain Referral As a Method of Sampling Hard-to-Reach Populations

Janice Penrod, Deborah Bray Preston, Richard E. Cain [...]

Journal of Transcultural Nursing

Retricted access

Research article

First published 2021

Fabric defect detection with an attention mechanism based on hard sample training

Hongge Yao, Qin Na, Shuangwu Zhu [...]

Textile Research Journal

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