Hidden Populations, Online Purposive Sampling, and External Validity: Taking off the Blindfold

QR Code

Hidden Populations, Online Purposive Sampling, and External Validity: Taking off the Blindfold

Online purposive samples have unknown biases and may not strictly be used to make inferences about wider populations, yet such inferences continue to occur. We compared the demographic and drug use characteristics of Australian ecstasy users from a probability (National Drug Strategy Household Surve...

Full description

Bibliographic Details
Main Authors:	Barratt, Monica, Ferris, J., Lenton, Simon
Format:	Journal Article
Published:	Sage Publications 2014
Subjects:	hard-to-reach hidden populations sampling representativeness Internet
Online Access:	http://hdl.handle.net/20.500.11937/29282

Similar Items

Do apostates represent a hidden population of abuse victims?
by: Parekh, Hari
Published: (2016)

Drugs and the Internet
by: Barratt, Monica, et al.
Published: (2013)

Denoising of digital images using second generation wavelet transforms-hidden markov model
by: Khmag, Asem Ib Mohamed
Published: (2016)

Representativeness of online purposive sampling with Australian cannabis cultivators
by: Barratt, Monica, et al.
Published: (2015)

The hidden costs of mental depression: implications on social trust and life satisfaction
by: Chee-Ruey, Hsieh, et al.
Published: (2017)

The Community In-Reach and Care Transition (CIRACT) clinical and cost-effectiveness study: study protocol for a randomised controlled trial
by: Watson, Alison, et al.
Published: (2015)

Revealing Distinct Neural Signatures in Magnetoencephalography with Hidden Markov Models
by: Seedat, Zelekha Abid
Published: (2022)

Storage Effect of Malaysian Cassava (Manihot Esculenta) Root Tubers on the Quality of Chips
by: Shamsudin, Rosnah, et al.
Published: (2010)

Internet Outreach / A Guide for Health Promoters & Peer Educators
by: Hallett, Jonathan, et al.
Published: (2011)

Discovering hidden degradation using ultrasonic wave propagation: theory and experimentation
by: Mukherjee, Abhijit
Published: (2013)

CodingQuarry: Highly accurate hidden Markov model gene prediction in fungal genomes using RNA-seq transcripts
by: Testa, Alison, et al.
Published: (2015)

Online control of prehension predicts performance on a standardised motor assessment test in 8-12 year old children
by: Blanchard, Caroline C., et al.
Published: (2017)

Estate Agents and their Employment Relationship to Sales Representatives
by: Brown, Kevin
Published: (2000)

Representing the public in public engagement: the case of the 2008 UK Stem Cell Dialogue
by: Mohr, Alison, et al.
Published: (2012)

Efficient duration modelling in the hierarchical hidden semi-Markov models and their applications
by: Duong, Thi V. T.
Published: (2008)

A comparative hidden Markov model analysis pipeline identifies proteins characteristic of cereal-infecting fungi
by: Sperscneider, J., et al.
Published: (2013)

Factors influencing mortality among alcohol and drug treatment clients in Victoria, Australia: The role of demographic and substance use characteristics
by: Lloyd, B., et al.
Published: (2013)

Geometric and material constraints in parametric modelling: the design to fabrication process
by: Pitts, G., et al.
Published: (2009)

Economic growth by idea diffusion and self-employment: building a quantitative model
by: Lee, Junggie
Published: (2023)

Internet content regulation, public drug websites and the growth in hidden Internet services
by: Barratt, Monica, et al.
Published: (2013)

Gis-Based Soil Sampling Methods for Precision Farming of Rice
by: Jahanshiri, Ebrahim
Published: (2006)

Selecting adequate samples for approximate decision support queries
by: Rudra, Amit, et al.
Published: (2013)

Blood sampling: two sides to the story
by: Pickup, Laura, et al.
Published: (2017)

Silk Road: Ebay for drugs
by: Barratt, Monica
Published: (2012)

Use of Silk Road, the online drug marketplace, in the United Kingdom, Australia and the United States
by: Barratt, Monica, et al.
Published: (2014)

Branchlet shaking: a method for sampling tree canopyarthropods under windy conditions
by: Majer, Jonathan, et al.
Published: (1996)

The influence of surface hardness on the fretting wear of steel pairs: its role in debris retention in the contact
by: Lemm, J.D., et al.
Published: (2014)

An efficient sampling scheme for approximate processing of decision support queries
by: Rudra, Amit, et al.
Published: (2012)

Evaluating cost taxonomies for information systems management
by: Irani, Z., et al.
Published: (2006)

Picking adequate samples for approximate decision support queries using inverse SRSWOR
by: Rudra, Amit, et al.
Published: (2012)

Comparative assessment of pre-felling sampling designs in lowland forest of Peninsular Malaysia
by: Abd Hamid, Nurul Atiqah
Published: (2016)

How should a spatial-coverage sample design for a geostatistical soil survey be supplemented to support estimation of spatial covariance parameters?
by: Lark, Murray, et al.
Published: (2018)

A crystal plasticity representative volume element model for simulating nanoindentation of aluminium alloy 2024
by: Li, L., et al.
Published: (2012)

Roles of Nigerian women trust fund on women's political representation in Imo state House of Assembly
by: Ewuru, Chinazo Destiny
Published: (2022)

Visible and hidden costs of human-elephant conflict on smallholders in Peninsular Malaysia
by: Sinha, Sinchita
Published: (2022)

The efficacy of interviewing young drug users through online chat
by: Barratt, Monica
Published: (2012)

Zooplankton community structure in coastal waters off the strait of Malacca with emphasis on jellyfish
by: Abd. Razak, Siti Balqis
Published: (2016)

New insights into the origin of perylene in geological samples
by: Grice, Kliti, et al.
Published: (2009)

“PMA Sounds Fun”: Negotiating Drug Discourses Online
by: Barratt, Monica, et al.
Published: (2014)

Defining and teaching veterinary professionalism
by: Mossop, Liz
Published: (2012)

Cannot write session to /tmp/vufind_sessions/sess_98p2rbvul9otr2phd2mvvmh79e