A researcher used a pretest-posttest, control group quasi-experimental design. The experimental group had a mean achievement test score of 40 on the pretest and 70 on the posttest. The control group had a mean achievement score of 50 on the pretest and 60 on the posttest. What statistical technique should the researcher use to analyze these data?
a. t-test c. ANCOVA (analysis of covariance)
b. ANOVA (analysis of variance) d. chi-square
C
You might also like to view...
The term multidisciplinary means that
a. more than one professional needs to work with children with disabilities. b. the professionals who work with children with disabilities must be very disciplined. c. the schools must employ doctors and other professionals for children with disabilities. d. more than one kind of discipline plan should be used with children with disabilities.
Who develops regulations that define the practical implementation of Federal Law?
a. the legislative branch b. the executive branch c. the judicial branch d. state authorities
The purpose of internal criticism is to
a. use a peer-review process to judge the quality of a historical report and decide whether it should be published. b. determine whether the interpretations presented in a historical report are biased. c. determine whether the claimed origin of a primary source corresponds to its actual origin. d. judge whether the facts presented in a primary source are accurate.
Alberto and Troutman (2017) offer five guidelines for conducting task analyses for students with cognitive delays. Identify and briefly describe each of these guidelines. Give an example of a task analysis completed for a student who has a cognitive disability.
What will be an ideal response?