Data analysis: types of data Flashcards
Data analysis: types of data
List
Qualitative data
Quantitative data
Primary data
Secondary data
Qualitative data
-non-numerical data (expressed in words)
Qualitative data
Evaluation
Strengths
-higher richness in data= more meaningful
└higher external validity
Limitations -difficult to analyse └difficult to draw comparisons -subjective └subject to bias
Quantitative data
-numerical data (expressed as numbers)
Quantitative data
Evaluation
Strengths -easy to analyse └easy to draw comparisons -objective └not as subject to bias
Limitations
-less richness in data= less meaningful
└lower external validity
Primary data
- information that has been obtained first hand by the researcher
- for the purpose of a research study
Primary data
Examples
-data collected by conducting an experiment, questionnaire, interview or observation
Primary data
Evaluation
Strengths
-specifically for the purpose of the investigation
Limitations
-more time and effort
Secondary data
- information that is used but has been obtained by someone else
- before the current research study
Secondary data
Examples
-journal articles, books, websites
Secondary data
Evaluation
Strengths
-less time and effort
Limitations
- not specifically for the purpose of the investigation
- data may be out dated or not completed
Meta-analysis
- research about research
- combining results of a number of studies on one topic to provide an overall view
- e.g. qualitative review of conclusions
- e.g. quantitative analysis of results