In attempting to study police officers' attitudes toward their supervisors, Alex surveys 25 police officers working in the day shift. In this case, what can help Alex ensure that his findings have external validity

In a market economy, what does a producer mean when it asks, "is there a market for my products? is there a place where we can sell our products? " "ls our product being made more cheaply overseas? " will consumers need and want to buy our products? " will the government support demand for our products? "

Que actos del pueblo simbolizaron el inicio de la revolucion y la caida de la monarquia?

Though most presidents have claimed affiliation with a christian church, the only roman catholic president has been a) abraham lincoln. b) john f. kennedy. c) george washington. d) franklin d. roosevelt.