Data Cleaning: Problems and Current Approaches
- Referential integrity - Misspellings - Redundancy/duplicates - Contradictory values … Figure 2. Classification of data quality problems in data sources 2.1 Single-source problems The data quality of a source largely depends on the degree to which it is governed by schema and integrity constraints controlling permissable data values.
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Introduction to Qualitative Research Methodology
www.betterevaluation.orgThe manual can be used as a stand-alone, self-learning tool by individuals new to the use of social science methods in health research; it can also be used by social scientists tasked with conducting short-term training in qualitative research methods for applied health research.
Analyzing Qualitative Data 4 Thematic coding and …
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www.betterevaluation.orgThe planning tool can be used to: commission and manage an evaluation; plan an evaluation; check the quality of an ongoing evaluation; embed participation thoughtfully in evaluation; develop evaluation capacity. Send suggestions for additions or revisions to us via .
Theory of Change - Better Evaluation
www.betterevaluation.orgA ‘theory of change’ explains how activities are understood to produce a series of results that contribute to achieving the final intended impacts. It can be developed for any level of intervention – an event, a project, a programme, a policy, a strategy or an organization. A theory of change can be developed for an intervention:
Observation in Evaluation
www.betterevaluation.orgis self-reported. Observation is used in a variety of ways in evaluation. Often it is a gateway method that ... identity. Reflect on the ethics of observing . ... This exploratory investigation gives insight as to the efficacy and practicality of a more intensive observation study. 4. Develop your observational strategy.
Qualitative Comparative Analysis – A Rigorous Qualitative …
www.betterevaluation.orgQualitative Comparative Analysis (QCA) is a case-based method that enables evaluators to systematically compare cases, identifying key factors which are responsible for the success of an intervention. As a comparative method, QCA doesn’t work with a single case – it needs to compare factors at work across
What is Qualitative Comparative Analysis (QCA)?
www.betterevaluation.orgQCA is a method that bridges qualitative and quantitative analysis: Most aspects of QCA require familiarity with cases, which in turn demands in-depth knowledge. At the same time, QCA is capable of pinpointing decisive cross-case patterns, the usual domain of quantitative analysis.
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