This topic contains a solution. Click here to go to the answer

Author Question: When subjects are measured on some trait they already possess, and are then categorized on the basis ... (Read 85 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
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
Answer to Question 1

a

Answer to Question 2

d




sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Jun 20, 2018
Excellent


bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

For a complete list of videos, visit our video library