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Data collection

research methods Different methods of data- collection are used in qualitative research. The most common are interviews, focus group discussions, observational methods and document analysis. A relatively new method is an art-based data-collection…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-1-qualitative-research/data-collection/

Data cleaning and transformation

cleaning processes and validations during data collection, please refer to Data entry accuracy Documentation Note all modifications in the syntax/code file and reasons and impact assessment of such a change in RDM F04 Change Management (intranet) to…

https://aph-qualityhandbook.org/set-up-conduct/process-analyze-data/3-2-quantitative-research/3-2-1-data-processing/data-cleaning-and-transformation/

Handling missing data

how missing data will be prevented during data collection; Data analysis plan: Describe the reasons for missing data and how missing data will be handled and how missing data analyses will be performed (per questionnaire/instrument); Syntax:…

https://aph-qualityhandbook.org/set-up-conduct/process-analyze-data/3-2-quantitative-research/3-2-2-data-analysis/handling-missing-data/

Data entry accuracy

needs to be carried out during the data collection period / prior to start of the data cleaning process; To determine the percentage of the data entry error; To re-enter (a sample of) registration forms/questionnaires of respondents, if necessary;…

https://aph-qualityhandbook.org/set-up-conduct/process-analyze-data/3-2-quantitative-research/3-2-1-data-processing/data-entry-accuracy/

Recruiting & training data collectors

Aim To secure accurate data collection by recruiting and training data collectors. Requirements Qualification list for recruiting data collectors; Study protocol, including study goals and information about tests/questionnaires; Standard operating…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-1-preparation/recruiting-training-data-collectors/

Supporting & monitoring data collectors

Aim To secure accurate data collection by supporting data entry staff and monitoring the data collected. Please note, that there are stricter requirements (trial master file and eCRF e.g.) for Clinical Trials with pharmaceuticals and Medical…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-5-data-collection/supporting-monitoring-data-collectors/

Data entry methods

program for data entry (including online data collection). In choosing, one should take into consideration the types of data, research population, risk of data entry errors, research processes, privacy, (GCP) regulations, NFU guidelines and the…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-1-preparation/data-entry-methods/

Recruiting & training data entry clerks

data entry clerks are recruited during the data collection process, it is preferable for these individuals to be trained by the same person who provided the original training); To fill out a training and delegation log to document training and…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-1-preparation/recruiting-training-data-entry-clerks/

Supporting & monitoring data entry clerks

test protocol; Regular meetings to discuss data collection issues between the executing researcher and data entry clerk(s). Documentation Standardized protocol for data entry, including how to cope with missing data; Protocol for quality monitoring…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-5-data-collection/supporting-monitoring-data-entry-clerks/

Managing data flow

monitor and manage the data flow during the data collection process in a research project. Databases such as these are used, for instance: To send out questionnaires (surveys or e-mail links) at particular points in time to research participants To…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-5-data-collection/managing-data-flow/

Data analysis

Data analysis often takes place alongside data collection to allow questions to be refined and new topics to be further explored. Different types of data analysis can be applied in qualitative research. A basic distinction is made between data…

https://aph-qualityhandbook.org/set-up-conduct/process-analyze-data/3-1-qualitative-research/data-analysis/

FAIR Data stewardship

the data is) when you are setting up your data collection. A part of setting up a data dictionary is defining (standardized) variable names. You may also collect multiple types of raw and processed data formats and you can describe such information…

https://aph-qualityhandbook.org/set-up-conduct/study-preparation/fair-data-stewardship/

Quality control procedures checklist

use? What tools you need to document your data collection? E.g. Blaise, a diary or log and/or a recording device. Did you test these tools prior to starting the data collection? Instead of a data dictionary as used in quantitative research, do you…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-1-qualitative-research/quality-control-procedures-checklist/

Data management plan

an appointment at least 4 months before the data collection starts, so things can be properly regaled. During a research data management consultation it is also possible to make appointments regarding the possible outsourcing of work to the (VUmc)…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-1-preparation/data-management-plan/

Data provided by third parties

of the population? How did the data collection take place, which controls were carried out? Has this been documented? How have the data been created? Is there a code book? Was the data entry monitored? Have many errors been identified and how have…

https://aph-qualityhandbook.org/set-up-conduct/methods-data-collection/2-2-quantitative-research/2-2-5-data-collection/data-provided-by-third-parties/