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 36 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
Wow, this really help

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

endocrine feedback control endocrine feedback control
The heme group is present in myoglobin, hemoglobin, and many other proteins The heme group is present in myoglobin, hemoglobin, and many other proteins
Homeostasis and negative feedback as related to control of body temperature. Homeostasis and negative feedback as related to control of body temperature.
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
Control of the anterior and posterior pituitary by the hypothalamus. Control of the anterior and posterior pituitary by the hypothalamus.
Importance of Considering Gestalt Principles in Product Design Importance of Considering Gestalt Principles in Product Design
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library