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

Author Question: A researcher is exploring possible reasons for some children being put into gifted programs and ... (Read 191 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
A researcher is exploring possible reasons for some children being put into gifted programs and other children not being entered into gifted programs. This study is ex post facto because the
 
  a. subjects are already known to differ on the dependent variable.
  b. subjects are already known to differ on the independent variable.
  c. a and b.
  d. None of these are true.

Question 2

A researcher plans a special series of classroom lessons designed to increase students' verbal skills. A control group does not have the lessons. Which of the following would most likely be threats to internal validity?
 
  a. History
  b. Hawthorne effect
  c. Teacher expectations effect
  d. Mortality
  e. b and c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ktidd

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

A

Answer to Question 2

E




Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)


AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library