Which is the best example of random assignment of participants in an experiment?
a) Assigning participants systematically to a treatment condition
b) Building groups based on matched pairs
c) Using a method that allows for equal and unbiased assignment of participants to groups
d) Choosing participants from a local university
Question 2
Generality of experimental results is most dependent upon which factor?
a) Number of participants
b) Representativeness of the participants
c) The effect size
d) Statistically significant differences between groups