Astudy will investigate the effectiveness of virtual applets on algebraic understanding.

Astudy will investigate the effectiveness of virtual applets on algebraic
understanding. the samples (n = 40 and n = 30) included in the study are
taught by two high school professors. which of the following are possible
limitations of the study? select all that apply.
o
a. the sample size is too small.
b. the teachers may differ in their approach of using the applets.
o
c. the teachers may differ in number of years teaching.
d. the teachers may differ in experience in using virtual applets.