Which of the types of validity is threatened when a researcher commits a Type 1 or Type 2 error?
a. Construct validity
b. Statistical conclusion validity
c. Internal validity
d. External validity
Question 2
Which of the following sets of the sequential assignment of participants to four conditions represents the use of blocked random assignment to conditions?
a. 1,2,4,4,1,3,3,4
b. 1,1,2,2,3,3,4,4
c. 1,3,2,4,4,2,1,3
d. 1,2,1,3,4,4,2,3