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 83 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
Gracias!

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

A family pedigree of a recessive trait. A family pedigree of a recessive trait.
Continuous variation in a polygenic trait. Continuous variation in a polygenic trait.
The science-based DRIs serve as the basis for information The science-based DRIs serve as the basis for information
Analysis of a dihybrid cross involving two traits. Each trait is analyzed separately, then the frequ Analysis of a dihybrid cross involving two traits. Each trait is analyzed separately, then the frequ
The segregation of albinism, a recessively inherited trait in humans. As in pea plants, alleles of a The segregation of albinism, a recessively inherited trait in humans. As in pea plants, alleles of a
Skin color is a polygenic trait controlled by three or four genes, producing a wide range of phenoty Skin color is a polygenic trait controlled by three or four genes, producing a wide range of phenoty
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library