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

Author Question: What is the direction of causality when two variables, A and B, have a strong linear correlation? ... (Read 138 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
What is the direction of causality when two variables, A and B, have a strong linear correlation?
 
  A) A causes B.
  B) B causes A.
  C) Some third variable is causing both A and B.
  D) All of the above are possible.

Question 2

When figuring a correlation coefficient, the absolute value of the summed cross-products
 
  A) gets larger when the scores of more people are included in the analysis.
  B) gets smaller as the variance of the scores for each variable increases.
  C) gets larger as the measurement scale for each variable becomes more restricted.
  D) is negative when the scores of large numbers of people are included in the analysis.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

Sent you a PM please check your forum inbox. Thank you

Answer to Question 2

wohoo thank youuu.




Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)


FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

For a complete list of videos, visit our video library