Using the Pretest-Posttest Control Group Design

Using Pretest-Posttest Control Design to Treat Children with ADHD

The simplest and the most popular experimental research design , the Pretest-Posttest Control Design ensures internal validity , that is allows the researcher to know whether the treatment makes any sort of difference at all (Pretest-Posttest Control Group Design Ohlund Yu 1999 . In to test whether the Alternative Treatment Educational Course for Parents of Children with Attention Deficit Hyperactivity Dis is beneficial at all the researcher must take at least two sets of parents , randomly place them into two groups - the control group and

the group that takes the course - and measure the results at the end of the course . The dependent variable in this research could be the school reports or grades that the students with ADHD obtain , both before and after the course has been taken by a group of parents (Morgan Gliner John

Of course , the control group is the randomly assigned group of parents that never has to take the Alternative Treatment Educational Course . For the sake of uniformity , all parents of ADHD students chosen for this research may be guardians of children of a particular grade in school , e .g . grade 4 in public schools . The researcher may first divide the chief guardians of the children with ADHD , that is , parents holding the greatest responsibility over their children 's education at home into groups based on gender . As a separate portion of the research , the chief caretakers of children with ADHD may be divided according to their...