Describe how attrition can affect internal validity.
What will be an ideal response?
Correct Answer:
Differential loss of participants from some groups may affect the interpretation of outcomes following treatment.
You might also like to view...
What reactions do parents tend to go through in response to the diagnosis that their child has a disability? How predictable are these feelings?
What will be an ideal response?
Which statement about the Deaf community is correct?
a. It is made up of persons with sufficient residual hearing to understand most speech. b. It has distinct culture, values, and attitudes. c. It prefers the term hearing impairment. d. It prefers speech to the use of American Sign Language.
What is an advantage of formal assessments:
a. they are standardized, meaning all subjects complete similar tasks. b. they measure change for state accountability. c. they allow for testing a large group at a time. d. all of the above.
Ms. James teaches a self-contained classroom for children who have severe learning and behavior problems. She schedules each minute of her students' time with various learning experiences. Mr. Williams teaches in the same type of classroom with students who are a year or two older than Ms. James' students. However, he allows students several 30 minute minimally supervised breaks during their time in his classroom. Which classroom do you think has a higher chance of acting out behavior?
a. Ms. James b. Mr. Williams c. both classrooms d. none of the above