What is a threat to the external validity of a study?
A. population validity
B. ecological validity
C. outcome validity
D. internal validity
Answer:
A. population validity
B. ecological validity
C. outcome validity
You might also like to view...
What treatment strategies are effective in the treatment of eating disorders?
What will be an ideal response?
A population has a mean of 75 and a standard deviation of 15. If you randomly sample nine people from the population, the standard error will be equal to ______.
A. 1.7 B. 0.2 C. 5.0 D. 2.0
According to Müller, we are directly aware of:
a. objects in the physical world. b. sensory impulses. c. primary qualities. d. categories of thought.
Derrick is seven months old has begun to use the consonant sounds of b, d, m, and g in combination with vowel sounds, such as saying "ba-ba-ba.". Derrick has entered the language stage known as
a. babbling. b. cooing. c. the single-word stage. d. turn-taking.