Methods of control, data analysis and data presentation
by Saj Devshi | Sep 24, 2015 | 4181 |
- Experimental designs:
- Independent groups, repeated measures, matched pairs.
- Advantages and disadvantages of each experimental design.
- Target populations, samples and sampling methods:
- Random;
- Opportunity;
- Systematic;
- Stratified.
- Advantages and limitations of each sampling method.
- The use of standardised procedures, identification and control of extraneous variables, instructions to participants.
- Random allocation, counterbalancing and randomisation.
- Calculations, including mean, mode, median, range and percentages. Anomalous results and their possible effects.
- Graphical representations, including bar charts.
- Research in natural and experimental settings, including advantages and limitations of each.