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

Author Question: In a nonrandomized control group, pretest-posttest design, the recommended procedure for analyzing ... (Read 43 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jun 20, 2018
In a nonrandomized control group, pretest-posttest design, the recommended procedure for analyzing test results is a(n)
 
  a. t-test of the difference between pretest and posttest means for both the experimental and the control group.
  b. four-way analysis of variance.
  c. analysis of covariance, in which the posttest means are compared using the pretest means as the covariate.
  d. analysis of variance of the mean pretest-posttest change for the experimental and control groups.

Question 2

A student has a score of 80 on a class test with a score reliability of .84 and a standard deviation of 10 . What is the band within which the student's true score is likely to fall? (Use the .95 confidence level).
 
  a. 70 and 90 c. 75 and 85
  b. 72 and 88 d. 76 and 84


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Jun 20, 2018
Excellent

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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.

reactions of an ester with a carboxylate group to form an anhydride. The R group is the same in each reactions of an ester with a carboxylate group to form an anhydride. The R group is the same in each
Dynamics of a Grand-Design Spiral Galaxy Dynamics of a Grand-Design Spiral Galaxy
The Power and Control Wheels of Abusive Relationships When one person in a relationship repeatedly ... The Power and Control Wheels of Abusive Relationships When one person in a relationship repeatedly ...
A horizontally opposed engine design helps to lower the vehicle’s center of gravity. A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
A vehicle emission control information (VECI) sticker on a flexible fuel vehicle. A vehicle emission control information (VECI) sticker on a flexible fuel vehicle.
A simplified overview of the genes and regulatory units involved in the control of lactose metabolis A simplified overview of the genes and regulatory units involved in the control of lactose metabolis
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library