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

Author Question: A study of matched pairs of participants reported the results of a related measures t test. If there ... (Read 63 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
on: Jun 19, 2018
A study of matched pairs of participants reported the results of a related measures t test. If there were 25 participants in one condition and 25 participants in the other conditions, how many degrees of freedom were there?
 
  a. 23 c. 48
  b. 24 d. 49

Question 2

In a pretest posttest design, there are 15 participants who each take both the pretest and posttest. How many degrees of freedom are present?
 
  a. 12 c. 14
  b. 13 d. 15


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gabrielle_lawrence

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jun 19, 2018
Answer to Question 1

B
For a related measures t test, df = N - 1, where N equals the number of paired scores.

Answer to Question 2

C
There are 15 difference scores (N). df = N - 1


crazycityslicker

  • Member
  • Posts: 537
Reply 2 on: Jun 19, 2018
Wow, this really help

miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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.

New results from NASA's NEOWISE survey New results from NASA's NEOWISE survey
The Abecedarian study was designed to help very low-income African American children prepare for ... The Abecedarian study was designed to help very low-income African American children prepare for ...
An example of an EHR screen used to order a laboratory test. An example of an EHR screen used to order a laboratory test.
Procedures and Diagnostic Tests Related to the Cardiovascular System Procedures and Diagnostic Tests Related to the Cardiovascular System
Procedures and Diagnostic Tests Related to the Male Reproductive System Procedures and Diagnostic Tests Related to the Male Reproductive System
Two items from the incomplete-pictures test. H.M.’s memory for the 20 items on the test was ... Two items from the incomplete-pictures test. H.M.’s memory for the 20 items on the test was ...
Video: Enzyme-Catalyzed Reactions

For a complete list of videos, visit our video library