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

Author Question: Educators are interested in the variables that affect academic achievement. Which of the following ... (Read 340 times)

erika

  • Hero Member
  • *****
  • Posts: 522
Educators are interested in the variables that affect academic achievement. Which of the following variables would require an ex post facto research design to assess its effect?
 
  a. Number of siblings in the home
  b. One-parent vs. two-parent home
  c. Parent(s) educational background
  d. Aptitude for academic work
  e. All of these are true.

Question 2

Identify the threats to internal validity illustrated in the examples below. Preschoolers who received treatment for stuttering during the year show a significant improvement in articulation.
 
  a. experimental mortality
  b. reactive effect of testing
  c. statistical regression
  d. maturation
  e. instrumentation



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

E

Answer to Question 2

D




erika

  • Member
  • Posts: 522
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review


AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

For a complete list of videos, visit our video library