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 157 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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

The Meselson-Stahl Experiment The Meselson-Stahl Experiment
Looking at objects in nature is a great way to encourage joint attention and allows infants to learn ... Looking at objects in nature is a great way to encourage joint attention and allows infants to learn ...
As immigrants assimilate into a new culture, they learn and adapt new customs. This photo was taken ... As immigrants assimilate into a new culture, they learn and adapt new customs. This photo was taken ...
Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library