Select the correct statement regarding experiments. A. A researcher can control the environment but cannot observe the response.
B. A researcher cannot control the environment but can observe the response.
C. A researcher can control the environment and observe the response.
D. A researcher can neither control the environment nor observe the response.

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Janette goes into an electronics superstore to buy a new computer. the salesperson works with her to find the right model, and she agrees to buy a new computer for $500 and a floor-model 18-inch monitor for $100. just when she is ready to pay, the salesperson walks away for a minute and then comes back to inform her that the monitor she was ready to purchase can't be sold for < $125. she agrees to the extra $25 even though they had initially agreed on the $100 selling price. janette has fallen for the technique of gaining compliance.