Statistical control refers to a means of
a. equating subjects on paper when they cannot be equated as they exist
b. estimating the probability that any observed differences between groups are the result of chance errors
c. estimating the probability that any observed differences between groups are the result of true differences in the population
d. estimating the probability that all extraneous variables have been controlled
Question 2
Statistical control is
a. a way of equating subjects on paper that are actually not equal
b. the same as randomization
c. generally preferable to experimental control
d. All of these are true.