An experimenter is testing the effects of thirst and fear on ...

[cnetterville]

An experimenter is testing the effects of thirst and fear on drinking. The four experimental treatment conditions would be low thirst and low fear; low thirst and high fear; high thirst and low fear; and _____.
 
  a. low thirst and low fear c. low thirst and high fear
  b. high thirst and high fear d. high thirst and low fear

Question 2

A factorial design in which participants are randomly assigned to receive only one combination of treatment levels is a _____ design.
 
  a. matched groups c. within subjects
  b. repeated measures d. between subjects

[Pariscourtney]

Answer to Question 1

B
The levels of thirst are low and high. The levels of fear are low and high. There are four possible combinations of these levels of these variables.

Answer to Question 2

D
The design is a between subjects design because each participant is exposed to only one (combined) level of the experimental treatments.

[cnetterville]

Gracias!

[robbielu01]

Excellent