Glossary
Glossary | |
These is glossary of research key terms. This glossary is intended as an aid to
professionals and non-professionals who find the world of research
somewhat intimidating. While it is impossible to cover all the terms
that can be confusing, this document briefly defines some of the more
common terms and concepts. | |
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| Term | Definition |
| Correlation coefficient | A measure of the degree of relationship between two variables. A correlation coefficient lies between +1.0 (indicating a perfect positive relationship), through 0 (indicating no relationship between two variables) to -1.0 (a perfect negative relationship). |
| Cramer's V | Measure of association appropriate when one or both of the variables consists of unordered categories. |
| Credibility | with its connotations of 'truth', credibility can be compared with internal validity in positivist research. A study's credibility is said to be confirmed when the reader recognises the situation described by a research study as closely related to their own experience (sometimes referred to as confirmability). |
| Criterion-related validity | Requires the researcher to identify a relevant criterion or 'gold standard', which is itself reliable and valid, to provide an independent check of the new measure (i.e. to compare the results from a well-established and a new measuring instrument). |
| Cross-Sectional Study | 1. A cross-sectional study is where we collect data only once from each unit of analysis. For example, if we want to examine the effects of age on attitude towards abortion, we collect attitude data from people of all ages, then see if there is a correlation between age and attitude. This is the opposite of a longitudinal study, where you take a set of young people, then measuring their attitude towards abortion every few years as they get older. 2. a study that includes data gathered at one point in time. |
| Crosstabulation | Table showing the number of cases in each combination of categories of the column and row variables (same as contingency table). |
| Glossary V2.0 | |
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