« previous next »

Author Question: Increasing the true variance and the observed variance by the same amount will increase the test's ... (Read 82 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
on: Jun 19, 2018
Increasing the true variance and the observed variance by the same amount will increase the
  test's
 
  A) validity. B) arithmetic mean.
  C) error variance. D) reliability.

Question 2

Given that the mean WAIS IQ is 100 and the standard deviation is 15, if Johnny's WAIS IQ is 125
  what is his corresponding z score?
 
  A) 1.67 B) 2.00 C) 2.33 D) -1.67


Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jun 19, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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.

Guinea pig being injected to test a chemical for its carcinogenic properties Guinea pig being injected to test a chemical for its carcinogenic properties
Catalase Test Catalase Test
Correctly administering and interpreting an intelligence test is a skill that takes many years for ... Correctly administering and interpreting an intelligence test is a skill that takes many years 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.
The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ... The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ...
Emerson’s Three-Point Test-Cross Analysis Emerson’s Three-Point Test-Cross Analysis
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library