To control confounding variables in experimental research, researchers can use several techniques. Which one is appropriate to control this problem?

Consider the following excerpt from a news story: "Three children are chosen for the maiden flight to Mars in the year 2030

Since it requires extensive training, both the children have already started their training for the mission." The editor of this story has to edit this paragraph so that it a) has internal consistency. b) has wordiness. c) answers all the questions. d) has no style mistakes.

The first step toward improving your speech delivery is to identify and isolate any distracting

nonverbal behaviors you exhibit. Indicate whether the statement is true or false