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 153 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?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Noll's DNase-I digestion experiment, which verified the beads-on-a-string model of DNA compacti Noll's DNase-I digestion experiment, which verified the beads-on-a-string model of DNA compacti
A model of anxiety in which stressful events or a changing mental condition can produce unfavorable A model of anxiety in which stressful events or a changing mental condition can produce unfavorable
Researchers must inform potential participants of a study's procedures so that consent may be o Researchers must inform potential participants of a study's procedures so that consent may be o
Mirror Box Therapy Compared to Mental Visualization and a Control Condition Mirror Box Therapy Compared to Mental Visualization and a Control Condition
Dental Related Adverse Effects in Patients Undergoing Cancer Treatment Dental Related Adverse Effects in Patients Undergoing Cancer Treatment
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
Video: Summation - defined, spatial, temporal & AP generation or not

For a complete list of videos, visit our video library