Observing behavior in real-world settings and making no effort to manipulate or control the situation is known as

The value of the next best alternative given up is called ?

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

The principle of checks and balances is based on the notion that