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www.ahrq.gov/sites/default/files/wysiwyg/ncepcr/webinars/qual-methods-pcr-080323.pptx
January 01, 2025 - size in qualitative research
Factors impacting sample size:
Study Aim, Sample Specificity, Established … Using this concept, sample size is driven by your study aims, the specificity of the sample you’re able … Sample size in qualitative interview studies: Guided by information power. Qual. … Study Design
Semi-structured interviews to inform intervention design and delivery
Mothers receiving … sizes of 30 parents, 15 clinicians
Planned to enroll additional participants if needed
Actual sample
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/prosthesis_research-protocol.pdf
March 16, 2017 - • Any study design
• No minimum sample size (except not case reports)
• No minimum followup time … • Any study design, including qualitative studies
• No minimum sample size (other than no case reports … • Any study design, including qualitative studies
• No minimum sample size (other than no case reports … sizes; study design features; funding source; results; and risk of bias questions. … These included descriptions of the study design,
sample size, interventions, followup duration, outcomes
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www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/availability/chipra-134-fullreport.pdf
November 01, 2019 - Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level?
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hcup-us.ahrq.gov/db/nation/nis/NIS_2009_INTRODUCTION.pdf
January 01, 2009 - The NIS' large sample size enables analyses of rare conditions, such as specific
types of cancer; uncommon … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample
design in … Hospital Sample Design
Design Considerations
The NIS is a stratified probability sample of hospitals … This sample size was determined by AHRQ based on their
experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample
sizes yield reliable estimates
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/coronary-artery-stenting-future_research.pdf
January 01, 2014 - • There is a moderate strength of evidence (on the basis of one large-sample-size
nonrandomized study … , potential sample size, the time required, recruitment, and ethical issues. … The feasibility of such studies, generally, does not depend on the desired sample size. … Resource Use, Size, and Duration
An RCT, especially one with a long duration and large sample size, … Resource Use, Size, and Duration
An RCT, especially one with a long duration and large sample size,
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integrationacademy.ahrq.gov/sites/default/files/2020-07/Grant_Summary_CO.pdf
January 01, 2020 - Considered
Opioid Use Disorder
Treatment Service Considered
Medication-Assisted Treatment
Study Design … , Data Sources, &
Sample Size
The project will focus on
participating practices within 24
eligible
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hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2010.pdf
November 01, 2015 - The NIS' large sample size
enables analyses of rare conditions, such as specific types of cancer; uncommon … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample
design in … Hospital Sample Design
Design Considerations
The NIS is a stratified probability sample of hospitals … This sample size was determined by AHRQ based on their
experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample
sizes yield reliable estimates
-
www.ahrq.gov/patient-safety/quality-resources/tools/chtoolbx/measures/measure-9.html
November 01, 2017 - The format and design of the ECHO™ survey is consistent with the widely used CAHPS. … Return to Contents
Sample Sizes
The CAHPS family of surveys requires a sample large enough to yield … Larger sample sizes may be required to get valid information on specific subpopulations.
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hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2011.pdf
January 01, 2011 - The NIS' large sample size
enables analyses of rare conditions, such as specific types of cancer; uncommon … The HCUP Sampling Design tutorial is designed to help users learn how to account for sample
design in … Hospital Sample Design
Design Considerations
The NIS is a stratified probability sample of hospitals … This sample size was determined by AHRQ based on their
experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample
sizes yield reliable estimates
-
meps.ahrq.gov/mepsweb/survey_comp/mpc_data_collection.jsp
October 01, 2004 - M
L
XL
MEPS-MPC Sample Design … Suggested
Citation:
MEPS-MPC Sample Design and Data Collection Process
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effectivehealthcare.ahrq.gov/sites/default/files/pdf/plasma-cell-dyscrasias-sflc-assay-future_research.pdf
September 01, 2012 - Advantages for
producing a
valid result
Benefits of large sample sizes and
allowing for prespecified … Advantages for
producing a
valid result
Benefits of large sample sizes and allowing for
prespecified … The feasibility of such studies generally does not depend on the desired
sample size. … Advantages for
producing a
valid result
Benefits of large sample sizes and allowing for
prespecified … Advantages for
producing a valid
result
Benefits of large sample sizes and allowing for prespecified
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hcup-us.ahrq.gov/db/nation/neds/NEDS2020Introduction.pdf
September 01, 2022 - One of the most distinctive features of the
NEDS is its large sample size, which allows for analysis … The HCUP Sample Design tutorial is designed to help users learn how to account
for sample design in … A sample size of 20 percent was based on previous experience
with similar research databases. … sizes
4: Nontrauma or trauma center level III (beginning in the 2011 NEDS)
7: Trauma center level … size and/or a coefficient of variation >30 percent.
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digital.ahrq.gov/sites/default/files/docs/citation/r01hs021290-agha-final-report-2017.pdf
January 01, 2017 - Size
The baseline sample size for the study is n=223 visits. … In subsequent analysis, smaller sample sizes, varied by
aim and specific analyses as specified in each … Due to various types of Morae dropouts, sample sizes vary by data layer. … Due to various types of Morae dropouts, sample sizes vary by data layer.
Table 9a. … For CCI, the smaller sample size is due
Table 19. summarizes the key themes across Aims 1-3.
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www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/preventive/chipra-0087-fullreport.pdf
October 01, 2016 - Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level?
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hcup-us.ahrq.gov/db/nation/nis/nis_statelevelestimates.jsp
January 01, 2016 - Finally, because the NIS was not designed to be representative at the State level, design-based estimates
-
www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/perinatal/chipra-0084-fullreport.pdf
March 01, 2016 - Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level?
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www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-150-fullreport.pdf
February 14, 2018 - Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level? … Sample Size: What is the typical sample size available for each unit at this level?
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hcup-us.ahrq.gov/db/nation/neds/NEDSIntroduction2022.pdf
November 01, 2024 - One of the most distinctive features of
the NEDS is its large sample size, which allows for analysis … The HCUP Sample Design tutorial is designed to help users learn how to account
for sample design in their … A sample size of 20 percent was based on previous experience
with similar research databases. … sizes
4: Non-trauma or trauma center level III (beginning in the 2011 NEDS)
7: Trauma center level … sizes
6: Any urban-rural location (used in the South in 2014)
7: Small metropolitan and micropolitan
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effectivehealthcare.ahrq.gov/sites/default/files/related_files/effect-protein-intake-protocol-amendment.pdf
November 29, 2023 - Additionally, during screening, we will tag studies in PICO portal (using certain
identifiers, such as small sample … size) to help us sort the literature and track study
characteristics that may require revisiting based … (including sample size, age, gender/sex, race/ethnicity,
socioeconomic status, physical activity level … evidence tables, and then assess the clinical and methodological heterogeneity (including
study design … Therefore,
study questions, design, and methodological approaches do not necessarily represent the
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www.ahrq.gov/sites/default/files/wysiwyg/research/findings/nhqrdr/2019qdr-datasources.pdf
December 01, 2020 - The large sample size in the NIS enables analyses of
rare conditions, uncommon treatments, and special … Therefore, the given sample size will give the same precision for means or rates
regardless of the overall … Starting in 2010, funding permitted an increase in
the sample size to allow measurement of EHR adoption … Since 1999, the annual sample size has been approximately 5,000 individuals from 15 different
county … MEPS estimates are suppressed when they are based on sample sizes of fewer than 100
or when their relative