The Role of Statistics
Parametric and non-parametric statistical tests Parametric tests make a number of assumptions about the data for which they are used (the parameters to which the data should conform). The first…
Experimental and Quasi-Experimental Approaches
We could add to this simplest form of repeated measures design almost infinitely by substituting further treatments consecutively. For example, we could substitute bowel retraining for bran. We could also…
The Single Case Experiment
As may be seen, in this example, the increase in fatigue following withdrawal of intervention during the second A phase is taken as evidence of the effectiveness of the intervention….
Writing a Research Report
Executive summary/abstract Abstract writing is an art. The researcher needs to convey a considerable amount of information, to the reader, in a very few words (normally, not more than about…
Non-Experimental Approaches
Figure 18.2 Non-linear correlation. Correlation and prediction One of the interesting (and potentially powerful) features of correlational designs is that it is possible to move beyond describing the relationship between…
A Pragmatic Approach to Qualitative Data Analysis
Beautiful 340Artistic 239 Once such a listing has been obtained, it is then possible to exclude non-lexical words, such as ‘the’, ‘to’, ‘that’ and so on. What is left is…
Searching the Literature
Figure 4.2 Specificity of search questions. The amount of information which will be gathered is affected by the focus of the review, but also by the breadth of sources of…
Getting Research into Practice
Clinical questions are derived from the scoping exercise and are similar in form to the questions that guide systematic reviews (see Chapter 4). The development of recommendations is derived from…
Critical Evaluation of Research Reports
validated and/or adequately described?appropriate to the research question? Procedure – Is it appropriate to the question:clearly described?accounts for bias? Data analysis – Is a clear rationale provided?Does it permit an…
