When the results of a research study can be generalized to other populations of subjects, different situations, and various periods of time, one can say that the study contains a large degree of

Social media played a significant role in the overthrow of the Egyptian President Hosni Mubarak

Indicate whether the statement is true or false.

Which of the following is an effect of depressants?

a. reduced anxiety, guilt, and tension b. increased energy c. increased inhibitions d. increased heart rate and respiratory rate