NTA-NET (UGC-NET) Psychology (04) Research Aptitude-Experimental Design Study Material (Page 4 of 5)
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Experimental Design: Blind Experiment and Pre-Experimental Design
Blind Experiment
To prevent bias effects in an experiment following techniques are used.
Double-Blind Experiment
If critical aspects of experiment is not known by participants or experimenter, it is double-blind experiment. It protects from experimenter biasness and placebo effects.
Single-Bl…
… (371 more words, 7 figures) …
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Experimental Design: Quasi-Experimental Design
Quasi-Experimental Design
These are better than pre-experimental studies as they employ a means to compare groups. However, these do not include randomization.
- Pretest-Posttest Nonequivalent Group: With this design, both control and experimental groups are compared. Convenience and not randomization is the theme for choosing groups. This might be the method of …
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