When a scale measures what it is supposed to measure, it has __________.

When a scale measures what it is supposed to measure, it has __________.
 
  a. validity
  b. internal reliability
  c. testretest reliability
  d. reliability

---

Question 2

Which of these is a type of reliability?
 
  a. testretest
  b. predictive
  c. face
  d. convergent

---

Question 3

To prove reliability, the testretest correlation should be ________ or greater.
 
  a. -.40
  b. 0
  c. +.25
  d. +.85

---

Question 4

When a person takes a test at two different times, and it produces roughly the same result, the test has __________.
 
  a. validity
  b. internal reliability
  c. testretest reliability
  d. convergent validity

---

Question 5

Internal reliability is often reported using __________.
 
  a. Milgram's beta
  b. a positive correlation
  c. Cronbach's alpha
  d. a negative correlation