Prominent thinkers in the philosophy of science contend that:

Prominent thinkers in the philosophy of science contend that:
 
  a. there is only one theory in each of the so-called mature sciences, not many competing theories.
  b. it is rare for any single theory to achieve unquestioned leadership or dominance in a discipline.
  c. psychology is a mature science because it has only a single theory.
  d. psychology and physics are the only disciplines to use competing theories to explain phenomena.

---

Question 2

Research findings that are based on testing hypotheses are:
 
  a. never determined statistically.
  b. always considered absolutely proven.
  c. always determined statistically.
  d. nearly always irrelevant to the study's objectives.

---

Question 3

The study participants who experience the intentional alteration of a factor(s) in an experiment is called the:
 
  a. control group.
  b. partial correlational group.
  c. unmanipulated group.
  d. experimental treatment group.

---

Question 4

If people who are more intelligent also tend to be less anxious, we would say that the correlation between the two traits is:
 
  a. positive.
  b. negative.
  c. neutral.
  d. nonexistent.