29 3 Points In dependent-groups designs, the between-participants variability is lower, which means that there is ______. less error variance less power a larger effect more generalizability Question 30 3 Points The main advantage of dependent-groups designs over independent-groups designs is that ______. the experimental designs are simpler to carry out they usually provide more powerful tests of the hypothesis random assignment isn't necessary they are less costly and time-consuming Question 31 3 Points The methods for controlling for carryover effects do NOT include ______. compensatory scaling complete counterbalancing incomplete counterbalancing randomization Question 32 3 Points If you don't choose an appropriate matching variable then ______. power will be lost error variance will be decreased you can use a mixed groups design instead you can choose a different matching variable post hoc Question 33 3 Points Group research is to ______ as single-participant research is to ______. general findings; specific behavior specific instances; general findings internal validity; external validity descriptive statistics; inferential statistics