posted by sam .
identify at least four key milestones in the development of cognitive psychology as a discipline
Since this is not my area of expertise, I searched Google under the key words "cognitive psychology history" to get these possible sources:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
What are the four key milestones in the development of cognitive psychology