« previous next »

Author Question: The correlation between Test A scores and mathematics grades is .85 while the correlation between ... (Read 79 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
on: Jun 20, 2018
The correlation between Test A scores and mathematics grades is .85 while the correlation between Test B scores and mathematics grades is .70 . Which of the two test scores will give a better prediction of a person's mathematics grades?
 
  a. Test A
  b. Test B

Question 2

Reliability is a(an) ____________ condition for validity of the results of a test.
 
  a. irrelevant
  b. necessary
  c. sufficient


leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Varus Stress Test Varus Stress Test
Valgus Stress Test Valgus Stress Test
IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
Changes in Blood Test Values with Acute Myocardial Infarction Changes in Blood Test Values with Acute Myocardial Infarction
Voltmeter hookup to test the voltage drop of the charging circuit. Voltmeter hookup to test the voltage drop of the charging circuit.
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library