Which of the following is different from both cross-sectional and longitudinal research, taking independent samples from a general population over time? a. Parallel study b. Panel study c. Trend study...

Which of the following is different from both cross-sectional and longitudinal research, taking independent samples from a general population over time?

a. Parallel study

b. Panel study

c. Trend study

d. Prospective study

If we want to avoid the carryover effect where the treatment resulted in relatively permanent changes, we should

a.            Reverse the changes

b.            Withdraw treatment condition

c.             Use multiple-baseline design

d.            Control the type of change

e.            Measure immediate change only