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

Author Question: When subjects are measured on some trait they already possess, and are then categorized on the basis ... (Read 77 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Jun 20, 2018
When subjects are measured on some trait they already possess, and are then categorized on the basis of that trait, the independent variable has been
 
  a. assigned
  b. manipulated
  c. confounded
  d. actively altered by the experimenter

Question 2

If you examined the effect of studying 0, 1, or 2 hours a day on grades, how would you write the null hypothesis?
 
  a. D = 0
  b. 1 - 2 = 0
  c. 1 - 2 - 3 = 0
  d. 1 = 2 = 3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SamMuagrove

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

d


sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

A simulated-color map of the surface of Venus as measured by synthetic aperture radar on the Magella A simulated-color map of the surface of Venus as measured by synthetic aperture radar on the Magella
Neural Basis of Enhancement of Contrast Neural Basis of Enhancement of Contrast
Listening to Normal Speech or Its Prosodic Components Functional MRI scans were made while subjects Listening to Normal Speech or Its Prosodic Components Functional MRI scans were made while subjects
The Basis of Ethical Principles for Massage Therapists The Basis of Ethical Principles for Massage Therapists
Structural basis for Ras activation by GTP Structural basis for Ras activation by GTP
How can you determine if the glucose-aversion trait in cockroach? How can you determine if the glucose-aversion trait in cockroach?
Video: Blood Flow Through the Kidneys

For a complete list of videos, visit our video library