1.A researcher studying the effect of price cuts on consumers expectations prepares two different fake histories of the store price of a hypothetical brand of laundry detergent for the past year. Thirty college students agree to participate in the study. The students are randomly assigned to read either the fake history with a steady price or the fake story with regular 'on sale' events that temporarily cut the price. Afterward, the students are asked the price they would expect for the item. This study is

The response variable is:

A.categorical

B.quantitative (continuous)

C.quantitative (discrete)

D.rank (ordinal)

2. A news article described a study in which researchers gave subjects wine to taste and scanned their brains using an fMRI scanner. The subjects all drank the same wine twice. But on one occasion, they were told it was a $90 bottle, while the other time they were told it was a $10 bottle. This study uses

A.a double dummy.

B.a completely randomized design.

C.a block design.

D.a matched-pairs design.

E.multistage sampling.