This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Educators are interested in the variables that affect academic achievement. Which of the following ... (Read 113 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

E

Answer to Question 2

D


erika

  • Member
  • Posts: 522
Reply 2 on: Jun 20, 2018
Wow, this really help

sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Two mechanisms that affect cell shape and movement. Two mechanisms that affect cell shape and movement.
Bronfenbrenner was interested in bidirectional relationships between different levels of the ... Bronfenbrenner was interested in bidirectional relationships between different levels of the ...
Success, You Rock, Achievement Success, You Rock, Achievement
Regional differences affect soil fertility Regional differences affect soil fertility
Factors That Affect Your Basal Metabolic Rate Factors That Affect Your Basal Metabolic Rate
How long does exercise affect blood sugar? How long does exercise affect blood sugar?
Video: Mutations and translation

For a complete list of videos, visit our video library