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 9 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
Wow, this really help

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
The major types of plant nutrients and their sources. The major types of plant nutrients and their sources.
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
Major Wind Systems: Foehn, Chinook, and Santa Ana Winds Major Wind Systems: Foehn, Chinook, and Santa Ana Winds
Carons' study Carons' study
Summary of Single Variable Discrete Models Summary of Single Variable Discrete Models
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library