Experiments done in natural settings are called _______.

Experiments done in natural settings are called _______.
 
  a. natural experiments
  b. spontaneous experiments
  c. unplanned experiments
  d. field experiments

---

Question 2

The first person to use a single-subject reversal design was probably ____________.
 
  a. Aardvark
  b. Darwin
  c. Galen
  d. Malthus

---

Question 3

Using an ABA reversal design is rather like using a ______.
 
  a. dust mop
  b. fountain pen
  c. light switch
  d. barber's chair

---

Question 4

The kind of study that is most likely to involve a large number of subjects is one with a ________.
 
  a. between-subjects design
  b. within-subject design
  c. ABA design
  d. matched sample

---

Question 5

In group-design experiments, researchers often use _________ to reduce differences among participants.
 
  a. clones
  b. statistics
  c. DNA matching
  d. matched sampling

---

Question 6

In within-subject experiments, each subject's performance is compared with his or her performance during a ______.
 
  a. control period
  b. random sampling period
  c. baseline period
  d. benchmark session