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

Author Question: A major source of error variance in a study is often due to a. the independent variable. b. ... (Read 45 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Jun 20, 2018
A major source of error variance in a study is often due to
 
  a. the independent variable.
  b. systematic variance.
  c. individual differences among subjects.
  d. carefully controlled factors being manipulated.

Question 2

Dr. Cortez is carrying out an experiment dealing with the effects of caffeine on learning. His independent variable consists of two groups of college students, where one group receives 10mg of caffeine, and the other group receives 30mg of caffeine.
 
  The dependent variable consists of the frequency of items recalled correctly from a previously memorized word list. In this case, Dr. Cortez is hoping to find
 
   a. systematic variance from the extraneous variables.
   b. nonsystematic variance from the independent variable.
   c. systematic variance from the independent variable.
   d. none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

c


acc299

  • Member
  • Posts: 569
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Age and Grammatical Knowledge The challenge of learning a second language rises with age. Source: J Age and Grammatical Knowledge The challenge of learning a second language rises with age. Source: J
This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
Major Effects of Thyroid Hormone in the Body Major Effects of Thyroid Hormone in the Body
Major Types of Hydrogen Bonds Found in Biomolecular Interactions Major Types of Hydrogen Bonds Found in Biomolecular Interactions
Comparison of the two major forms of DNA Comparison of the two major forms of DNA
Major Somatic Motor Tracts and Pathways Major Somatic Motor Tracts and Pathways
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library