A marketing research firm, in conducting a comparative taste test, provided three types of peanut butter to a sample of households randomly selected within the state. Which of the four methods of data collection is involved when people are asked to compare the three types of peanut butter?
a. Published sources
Answer: b. Experimentation
Experiments test cause/effect relationships between variables. The researcher manipulates one ...
The solution answers (with explanation) a question on methods of data collection.