Differences between Experimental Research and Ex-Post Facto Research

In this video we have discuss about differences between experimental research and ex-post facto research.
#mpc005 #expostfactoresearch #IGNOUMAPSYCHOLOGY #NehaRai
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0:58 DIFFERENCES BETWEEN AND EXPERIMENTAL EX POST FACTO RESEARCH
3:33 PRINCIPLE OF RANDOMISATION
4:58 MANIPULATION OF VARIABLES
5:40 INTERPRETATION