If a researcher studies the effectiveness of anti-drug commercials by comparing the self-reported frequency of drug use among teens six months before and six months after the commercial aired, she is using an Pretest/posttest design.
Answer: Option D
<u>Explanation:</u>
The pre-test is defined as a test carried out on a product or service before it is set to enter into the market for sale. It is usually done to check not only the effectiveness and efficiency of the product or service but also to check the safety of it too.
Sometimes a product or service is exposed to text after it enters the market. This is known as post-test as that is carried out after the product enters the market.
Answer:
The answer is triad
Explanation:
Erin, Macy, and Nancy are good friends. However, because of a misunderstanding, Erin and Nancy gang up and start finding faults with everything Macy does. This behavior is a typical example of the disadvantages of a TRIAD.
Your answer would be D because our government is divided into 3 branches
Alia Sabur<span> is the world's youngest professor.</span>
Answer: The correct answer is
How does the South Carolina Exposition and Protest differ in its argument from the Kentucky Resolution? The Kentucky Resolution were in protest of the Alien and Sedition Acts while South Carolina Exposition and Protest were as a result of the Tariff of 1828.
Explanation: Give me brain, 5 star ratings and a thank you
