This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Without random sampling, which of the following can happen? a. Naturally occurring confounding ... (Read 141 times)

amal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 24, 2018
Without random sampling, which of the following can happen?
 a. Naturally occurring confounding variables can result in an apparent relationship between the explanatory and response variables.
  b. The results may not be able to be extended to a larger population.
  c. The researchers will have a much easier time getting participants for their study, resulting in a larger sample size, and more accurate data.
  d. None of the above

Question 2

Random assignment deals with what aspect of an experiment?
 a. Who the results can be applied to.
  b. Whether or not a cause and effect relationship exists.
  c. What the actual statistical results are.
  d. None of the above.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

B


amal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

This chart illustrates the “drip down” model of government. In this, politics is formed by the soc This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
Gas molecules have no bonds to other molecules and move in random motion. Gas molecules have no bonds to other molecules and move in random motion.
Properties of some naturally occurring RNA molecules Properties of some naturally occurring RNA molecules
Chorionic villus sampling (left) and amniocentesis (right) Chorionic villus sampling (left) and amniocentesis (right)
The chorionic villus sampling technique. (a) A catheter is inserted into the uterus through the vagi The chorionic villus sampling technique. (a) A catheter is inserted into the uterus through the vagi
Sample Size Affects Sampling Error Sample Size Affects Sampling Error
Video: Amniocentesis and CVS Animation

For a complete list of videos, visit our video library