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 129 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
:D TYSM

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

The chromosomal basis of allele segregation. The chromosomal basis of allele segregation.
The chromosomal basis of independent assortment. The chromosomal basis of independent assortment.
Ancestral versus shared derived characters involving a molecular trait. Ancestral versus shared derived characters involving a molecular trait.
The Gram-Schmidt Process for Finding an Orthonormal Basis The Gram-Schmidt Process for Finding an Orthonormal Basis
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
A graphic depiction of predisposing alleles characteristic of a threshold trait within a population, A graphic depiction of predisposing alleles characteristic of a threshold trait within a population,
Video: Types of Burns

For a complete list of videos, visit our video library