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.
Noncommunicable diseases country profiles 2011.
20111.3k citationsTimothy Armstrong, Melanie Cowan et al.Prostate Cancer and Prostatic Diseasesprofile →
Global Physical Activity Questionnaire (GPAQ): Nine Country Reliability and Validity Study
20091.3k citationsFiona Bull, Timothy Armstrong et al.Journal of Physical Activity and Healthprofile →
Development of the World Health Organization Global Physical Activity Questionnaire (GPAQ)
20061.2k citationsTimothy Armstrong, Fiona BullJournal of Public Healthprofile →
The World Health Organization STEPwise Approach to Noncommunicable Disease Risk-Factor Surveillance: Methods, Challenges, and Opportunities
2015408 citationsLeanne M Riley, Regina Guthold et al.American Journal of Public Healthprofile →
Peers
Timothy Armstrong
Comparison fields: 5 of 171
Public Health, Environmental and Occupational Health2.2k
Physiology1.9k
General Health Professions1.2k
Cardiology and Cardiovascular Medicine597
Organizational Behavior and Human Resource Management521
Citations per field, relative to Timothy Armstrong
Timothy Armstrong · 1×
×1.22.6kPHEOH
×0.61.1kPHYSI
×1.01.2kGHP
×0.7420CCM
×1.6837OBHRM
Citations per year, relative to Timothy Armstrong
Timothy Armstrong · 1×
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Countries citing papers authored by Timothy Armstrong
Since
Specialization
Citations
This map shows the geographic impact of Timothy Armstrong'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 Timothy Armstrong with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Timothy Armstrong more than expected).
Fields of papers citing papers by Timothy Armstrong
This network shows the impact of papers produced by Timothy Armstrong. 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 Timothy Armstrong. The network helps show where Timothy Armstrong may publish in the future.
Co-authorship network of co-authors of Timothy Armstrong
This figure shows the co-authorship network connecting the top 25 collaborators of Timothy Armstrong.
A scholar is included among the top collaborators of Timothy Armstrong 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 Timothy Armstrong. Timothy Armstrong is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
All Works
12 of 12 papers shown
#
Work
Indexed citations
1
The World Health Organization STEPwise Approach to Noncommunicable Disease Risk-Factor Surveillance: Methods, Challenges, and Opportunities breakdown →
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.