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 156 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
Excellent


tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

For a complete list of videos, visit our video library