Dale is trying to buy a dr. pepper from a vending machine. when he pushes the button nothing happens. dale pushes the button multiple times over the course of the next thirty seconds before accepting that it does not work. later, dale still does not want to give up on his dr. pepper. he remembers that one time he held the button down for ten seconds, which resulted in him getting his drink. he decides to try this. this is an example of

Policies that physically separate a minority group from the dominant group.

What policy did "jim crow" laws put in place? black codes integration segregation 2. the supreme court case that established the doctrine of "separate but equal" was dred scott v. sandford plessy v. ferguson brown v. board of education 3. the supreme court case that overturned the doctrine of "separate but equal" wasdred scott v. sandford plessy v. ferguson brown v. board of education

Janette goes into an electronics superstore to buy a new computer. the salesperson works with her to find the right model, and she agrees to buy a new computer for $500 and a floor-model 18-inch monitor for $100. just when she is ready to pay, the salesperson walks away for a minute and then comes back to inform her that the monitor she was ready to purchase can't be sold for < $125. she agrees to the extra $25 even though they had initially agreed on the $100 selling price. janette has fallen for the technique of gaining compliance.