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Mann-Whitney Test: does the direction of causation matter?
I have an ordinal measure of risk aversion and binary variable
indicating whether a subject opted to play a gamble.
I want to test whether there is a relation between these two variables.
One way would be to run a probit/logit e.g.
probit accepts_gamble risk_aversion
However, this is obviously unsound since the measure of risk aversion is
Would it be appropriate to run a Mann-Whitney Test ‘in reverse’ e.g.
ranksum risk_aversion, by(accepts_gamble )
If not, are there any other tests that would be appropriate?
Any pointers greatly appreciated.
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