When neither research participants nor research assistants are aware of which participants receive which treatment, researchers have employed a

Which of the following sayings best represents the moral to the case study of the "two"

birds described in the textbook? a. "It's the early bird that gets the worm." b. "Killing two birds with one stone." c. "A bird in the hand is worth two in the bush." d. "There's more than one way to skin a cat." e. "You shouldn't judge a book by its cover."

Elements of effective community change initiatives include:

a. professional expertise/leadership. b. changes strong enough to make a visible difference. c. external linkages and resources. d. both "b" and "c"