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

Author Question: During the first treatment condition of a within-subjects experiment, the participants learn a new ... (Read 179 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
on: Jun 19, 2018
During the first treatment condition of a within-subjects experiment, the participants learn a new skill that helps improve their performance in later treatment conditions. For this study, the internal validity is threatened by ____.
 
  a. history effects
 b. instrumentation
 c. order effects
  d. regression toward the mean

Question 2

A(n) ____ is often a composite, combining different measures from different sources.
 
  a. instrument
  b. index
  c. test
  d. scale


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jun 19, 2018
Answer to Question 1

c

Answer to Question 2

b


justinmsk

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jun 19, 2018
Thank you!


brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #3 on: Jun 19, 2018
Happy to help


« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

The experiment of Plaxton and his colleagues demonstrated that plants can alter their metabolism in The experiment of Plaxton and his colleagues demonstrated that plants can alter their metabolism in
The Pantanal, Brazil, seen here in flood condition, is a critical jaguar range area. The Pantanal, Brazil, seen here in flood condition, is a critical jaguar range area.
Lab: Learn Echninodermata Classes Lab: Learn Echninodermata Classes
Mercury experiment Mercury experiment
Varenicline as a Treatment for Smoking Varenicline as a Treatment for Smoking
Counterbalancing in the Predator Experiment Counterbalancing in the Predator Experiment
Video: Secondary Active Transport

For a complete list of videos, visit our video library