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 135 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
YES! Correct, THANKS for helping me on my review


helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

For a complete list of videos, visit our video library