A disadvantage of a single variable two-level experiment is that ...

[tuffie]

A disadvantage of a single variable two-level experiment is that
 
  A) it is dangerous to guess the shape of a function from two points.
  B) you cannot use as many participants as in other designs.
  C) the statistics you have to use are more difficult than with a one-level experiment.
  D) all the choices are disadvantages.

Question 2

If you are purchasing agent for a company that is considering buying a printer from one of two companies, you might wish to set up an experiment to test how easy the printers are to use. The appropriate experimental design would probably be a
 
  A) multilevel experiment.
  B) factorial experiment.
  C) converging series.
  D) single variable two-level experiment.

[aidanmbrowne]

Answer to Question 1

A

Answer to Question 2

D