We collected re-test data 6 months after the original data collection from 200 unrelated individuals.
S.V. designed and organized original data collection from clinical archives.
S.P.D. completed the original data collection and initial analysis.
A mixed-methods approach of qualitative and quantitative analysis was used, with extensive original data collection.
The original estimate of fewer deaths during the intervention with OR 0.7 remains virtually unchanged for the original data collection.
Students complete an empirical project with a written description and interpretation of results; this may involve original data collection or use of existing data sets.
The availability of demographic and disease characteristic data on large patient populations, coupled with the minimal cost and relative speed of conducting retrospective investigations, provide an attractive alternative to original data collection.
By serving as a source for comprehensive clinical and demographic information on large patient populations, they streamline knowledge discovery efforts by providing standard and efficient mechanisms to replace time-consuming and expensive original data collection, organization, and processing.
(Time-sharing Experiments in the Social Sciences is an NSF-funded program that conducts internet-based experiments on behalf of investigators throughout the social sciences, with the aim of fostering original data collection).
The research can take several different forms, for example, original data collection on a project the advisor is conducting, becoming a member of a research team and taking responsibility for some part of a research project, doing secondary analysis on a data set provided by a faculty member.
The journal offers investigations involving original data collection and research synthesis (i.e., scoping reviews, systematic reviews, and meta-analyses).
