Random assignment: assigning participants to experimental and control conditions by chance
Vs.
Random sample: a sample that fairly represents a population because each member has an equal chance of being included
You decide :-D
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Simple!
There is no such thing as "the usual sampling distribution". Different distributions of the original random variables will give different distributions for the difference between their means.There is no such thing as "the usual sampling distribution". Different distributions of the original random variables will give different distributions for the difference between their means.There is no such thing as "the usual sampling distribution". Different distributions of the original random variables will give different distributions for the difference between their means.There is no such thing as "the usual sampling distribution". Different distributions of the original random variables will give different distributions for the difference between their means.
the difference is just that non-probability sampling does not involve random selection, but probability sampling does.
It can be but it is not simple random sampling.
Random Sampling