This topic contains a solution. Click here to go to the answer

Author Question: Refer to Exhibit 10-9. Students falling below the 10th percentile on a reading achievement test ... (Read 131 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
Refer to Exhibit 10-9. Students falling below the 10th percentile on a reading achievement test later receive higher scores on a similar test; students above the 90th percentile receive lower scores on the second test administration.
 
  a. experimental mortality
  b. reactive effect of testing
  c. statistical regression
  d. maturation
  e. instrumentation

Question 2

Which of the following would represent a variable that could be manipulated in an experiment?
 
  a. Lecture vs. discussion method of teaching
  b. High vs. low socioeconomic status of subjects
  c. Male vs. female subjects
  d. College prep vs. vocational curriculum
  e. High vs. low scorers on an aptitude test



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cadimas

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

C

Answer to Question 2

A





 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library