Whenever something goes wrong in foreign policy, people say the government should have known that it was making a mistake. This reaction is an example of what?

Failing to confirm a hypothesis

a. Proves that the hypothesis was wrong b. Means that problems could have occurred in the instrumentation of the experiment c. Means that problems could have occurred in the operationalization of variables d. All of the above

In middle adulthood, most people spend more time with family than friends.

Answer the following statement true (T) or false (F)