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

Author Question: What is one weakness of correlational studies? A) Prevalence of cases B) Incidence of cases C) ... (Read 168 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
What is one weakness of correlational studies?
 
  A) Prevalence of cases
  B) Incidence of cases
  C) Relative risk of groups
  D) Self-selection of groups

Question 2

What is a null hypothesis?
 
  A) There is a positive relationship between research variables.
  B) There is a negative relationship between research variables.
  C) There is a false positive relationship between research variables.
  D) There is no relationship between research variables.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

D

Answer to Question 2

D




jazziefee

  • Member
  • Posts: 505
Reply 2 on: Jul 8, 2018
Great answer, keep it coming :)


momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

For a complete list of videos, visit our video library