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

Author Question: Choose the correlation coefficient that matches the following types of scales. Both variables are on ... (Read 131 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jun 20, 2018
Choose the correlation coefficient that matches the following types of scales. Both variables are on an ordinal scale.
 
  a. Pearson's r c. phi coefficient
  b. Spearman rho

Question 2

A researcher investigated the effect of aerobic exercise on depression. He randomly assigned subjects previously identified as depressed to one of three groups. Choose the correct group for each question. Which is the true control group?
 
  a. aerobic exercises five days per week c. no aerobic exercise
  b. aerobic exercises three days per week


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


dmcintosh

  • Member
  • Posts: 517
Reply 2 on: Jun 20, 2018
:D TYSM

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Plant Cell Types Plant Cell Types
The physician and medical assistant will often work together to choose appropriate educational ... The physician and medical assistant will often work together to choose appropriate educational ...
The two main types of nerve cells. The two main types of nerve cells.
Two types of front-engine, front-wheel drive. Two types of front-engine, front-wheel drive.
Types of Radioactive Decay Types of Radioactive Decay
Correlation Coefficient, r (Chart) Correlation Coefficient, r (Chart)
Video: Alzheimer's Disease

For a complete list of videos, visit our video library