Jan Copeland

9.7k total citations · 1 hit paper
178 papers, 7.2k citations indexed

About

Jan Copeland is a scholar working on Pharmacology, Epidemiology and General Health Professions. According to data from OpenAlex, Jan Copeland has authored 178 papers receiving a total of 7.2k indexed citations (citations by other indexed papers that have themselves been cited), including 95 papers in Pharmacology, 90 papers in Epidemiology and 51 papers in General Health Professions. Recurrent topics in Jan Copeland's work include Cannabis and Cannabinoid Research (89 papers), Substance Abuse Treatment and Outcomes (81 papers) and Homelessness and Social Issues (43 papers). Jan Copeland is often cited by papers focused on Cannabis and Cannabinoid Research (89 papers), Substance Abuse Treatment and Outcomes (81 papers) and Homelessness and Social Issues (43 papers). Jan Copeland collaborates with scholars based in Australia, United States and New Zealand. Jan Copeland's co-authors include Wendy Swift, Peter Gates, Paul Dillon, Greg Martin, Melissa M. Norberg, Wayne Hall, Sally E. Rooke, Louisa Degenhardt, Mark A Bellis and Karen Hughes and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and American Journal of Public Health.

In The Last Decade

Jan Copeland

171 papers receiving 6.8k citations

Hit Papers

Young adult sequelae of a... 2014 2026 2018 2022 2014 100 200 300
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Young adult sequelae of adolescent cannabis use: an integrative analysis
    2014 328 citations Louisa Degenhardt, Wendy Swift et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Jan Copeland 3.5k 3.0k 1.8k 1.7k 950 178 7.2k
Wendy Swift 2.6k 0.7× 2.4k 0.8× 1.3k 0.7× 1.2k 0.7× 760 0.8× 92 5.0k
Haitao Zhang 1.5k 0.4× 3.3k 1.1× 1.7k 0.9× 1.4k 0.8× 745 0.8× 35 6.7k
Marcel O. Bonn‐Miller 4.3k 1.2× 1.7k 0.6× 3.5k 1.9× 1.1k 0.6× 717 0.8× 203 8.0k
Sílvia S. Martins 3.2k 0.9× 4.2k 1.4× 3.1k 1.7× 2.4k 1.3× 2.3k 2.4× 375 11.4k
Li‐Tzy Wu 1.3k 0.4× 3.7k 1.2× 1.9k 1.0× 1.7k 1.0× 1.3k 1.4× 215 8.3k
Amelia M. Arria 2.1k 0.6× 2.7k 0.9× 2.8k 1.6× 1.9k 1.1× 3.2k 3.3× 208 10.6k
Boji Huang 1.7k 0.5× 4.0k 1.3× 4.7k 2.6× 1.8k 1.0× 874 0.9× 51 11.2k
Alan J. Budney 5.8k 1.7× 4.5k 1.5× 2.3k 1.3× 1.7k 1.0× 1.6k 1.6× 185 10.7k
Tulshi D. Saha 2.3k 0.7× 5.0k 1.7× 5.4k 3.0× 2.3k 1.3× 1.3k 1.4× 71 13.9k
Mitch Earleywine 1.5k 0.4× 2.0k 0.7× 2.8k 1.5× 940 0.5× 375 0.4× 201 7.1k

Countries citing papers authored by Jan Copeland

Since Specialization
Citations

This map shows the geographic impact of Jan Copeland's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jan Copeland with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jan Copeland more than expected).

Fields of papers citing papers by Jan Copeland

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jan Copeland. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jan Copeland. The network helps show where Jan Copeland may publish in the future.

Co-authorship network of co-authors of Jan Copeland

This figure shows the co-authorship network connecting the top 25 collaborators of Jan Copeland. A scholar is included among the top collaborators of Jan Copeland based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Jan Copeland. Jan Copeland is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Tatar, Ovidiu, Amal Abdel‐Baki, Alina Dyachenko, et al.. (2023). Evaluating preferences for online psychological interventions to decrease cannabis use in young adults with psychosis: An observational study. Psychiatry Research. 326. 115276–115276. 2 indexed citations
2.
Tatar, Ovidiu, Amal Abdel‐Baki, Tania Lecomte, et al.. (2022). Reducing Cannabis Use in Young Adults With Psychosis Using iCanChange, a Mobile Health App: Protocol for a Pilot Randomized Controlled Trial (ReCAP-iCC). JMIR Research Protocols. 11(11). e40817–e40817. 6 indexed citations
3.
Mills, Llewellyn, Nicholas Lintzeris, Raimondo Bruno, et al.. (2020). Validation of the Australian Treatment Outcomes Profile for use in clients with cannabis dependence. Drug and Alcohol Review. 39(4). 356–364. 8 indexed citations
4.
Lintzeris, Nicholas, Anjali Bhardwaj, Llewellyn Mills, et al.. (2019). Nabiximols for the Treatment of Cannabis Dependence. JAMA Internal Medicine. 179(9). 1242–1242. 62 indexed citations
5.
Hides, Leanne, Amanda Baker, Melissa M. Norberg, et al.. (2019). A Web-Based Program for Cannabis Use and Psychotic Experiences in Young People (Keep It Real): Protocol for a Randomized Controlled Trial. SHILAP Revista de lepidopterología. 9(7). e15803–e15803. 16 indexed citations
6.
Albertella, Lucy, Jan Copeland, Daniel Pearson, et al.. (2017). Selective attention moderates the relationship between attentional capture by signals of nondrug reward and illicit drug use. Drug and Alcohol Dependence. 175. 99–105. 39 indexed citations
7.
Copeland, Jan. (2016). Cannabis use and its associated disorders: Clinical care.. PubMed. 45(12). 874–877. 3 indexed citations
8.
Gates, Peter, et al.. (2014). Opinions and attitudes of cannabis users on cannabis policy and policing. Drug and Alcohol Review. 33. 28–29.
9.
Copeland, Jan, Sally E. Rooke, & Wendy Swift. (2013). Changes in cannabis use among young people. Current Opinion in Psychiatry. 26(4). 325–329. 79 indexed citations
10.
Rooke, Sally E., Melissa M. Norberg, & Jan Copeland. (2011). Successful and unsuccessful cannabis quitters: Comparing group characteristics and quitting strategies. Substance Abuse Treatment Prevention and Policy. 6(1). 30–30. 14 indexed citations
11.
12.
Copeland, Jan, et al.. (2009). Alcohol use among culturally diverse communities in Sydney. Drug and Alcohol Review. 28. 1 indexed citations
13.
Copeland, Jan, et al.. (2009). Management of cannabis use disorder and related issues. A clinician’s guide.. The Oncologist. 24(6). e384–e386. 10 indexed citations
14.
Abdallah, Arbi Ben, et al.. (2009). Modifiable risk factors of ecstasy use: Risk perception, current dependence, perceived control, and depression. Addictive Behaviors. 35(3). 201–208. 31 indexed citations
15.
Larance, Briony, Louisa Degenhardt, Jan Copeland, & Paul Dillon. (2008). Injecting risk behaviour and related harm among men who use performance‐ and image‐enhancing drugs. Drug and Alcohol Review. 27(6). 679–686. 67 indexed citations
16.
Martin, Greg, Jan Copeland, Peter Gates, & Stuart Gilmour. (2005). The Severity of Dependence Scale (SDS) in an adolescent population of cannabis users: Reliability, validity and diagnostic cut-off. Drug and Alcohol Dependence. 83(1). 90–93. 182 indexed citations
17.
Copeland, Jan, et al.. (2001). Young offenders, substance use, depression and suicidal behaviour. Australian Journal of Psychology. 53. 2 indexed citations
18.
Teesson, Maree, et al.. (2000). The measurement of outcome in alcohol and other drug treatment: a review of available instruments.. Scientific Repository (Petra Christian University). 37(2). 247–71. 11 indexed citations
19.
Copeland, Jan. (2000). Anabolic-androgenic steroid use disorders among a sample of Australian competitive and recreational users. Drug and Alcohol Dependence. 60(1). 91–96. 23 indexed citations
20.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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