Author Question: Compare and contrast laboratory experiments and field experiments in terms of validity, costs, and ... (Read 77 times)

pepyto · **on:** Jun 29, 2018

Compare and contrast laboratory experiments and field experiments in terms of validity, costs, and time.

Question 2

All of the following are characteristics of the standardized normal distribution EXCEPT _____.
a. symmetrical about its mean
b. has an infinite number of cases
c. mode identifies the normal curve's highest point
d. has a mean of 1 and a standard deviation of 0

reelove4eva · **Reply #1 on:** Jun 29, 2018

Answer to Question 1

Laboratory experiments have a higher level of internal validity, tend to cost less, and normally take less time. Field experiments offer a higher level of external validity.

Answer to Question 2

D