Author Question: Identify the kind of correlation appropriate for use in solving each of the following problems. To ... (Read 14 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Identify the kind of correlation appropriate for use in solving each of the following problems. To find the relationship between gender and watching a specific TV program or another in the same time slot.
 
  a. Pearson's r c. phi coefficient
  b. Spearman rho

Question 2

Identify the major threat to internal validity in the following research studies. Students who had low scores on a reading pretest were chosen for a special instructional program. This group showed significant gains on a reading achievement test administered after a period of four months.
 
  a. Regression
  b. Diffusion
  c. Mortality
  d. Selection
  e. History



carlsona147

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library