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

Author Question: A Pearson correlation of r = -0.25 indicates that a graph of the data would show points ____. a. ... (Read 75 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
on: Jun 19, 2018
A Pearson correlation of r = -0.25 indicates that a graph of the data would show points ____.
 
  a. clustered close to a line that slopes up to the right
 b. clustered close to a line that slopes down to the right
 c. widely scattered around a line that slopes up to the right
  d. widely scattered around a line that slopes down to the right

Question 2

A double pretest design is particularly attractive when ____.
 
  a. the researcher is evaluating a program that has already begun
  b. the unit of study is a community rather than an individual
 c. it is important that those who most need the treatment receive it
  d. there are concerns about selection-maturation effects


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tjayeee

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jun 19, 2018
Answer to Question 1

d

Answer to Question 2

d


tfester

  • Member
  • Posts: 534
Reply 2 on: Jun 19, 2018
Gracias!

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta
Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ... Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...
How to graph quadratic equations that are in factored form y=a(x−r)(x−s) How to graph quadratic equations that are in factored form y=a(x−r)(x−s)
Sketch a graph of the function h(x), by hand on the following interval: Sketch a graph of the function h(x), by hand on the following interval:
Correlation between the Mendelian postulates of segregation Correlation between the Mendelian postulates of segregation
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Video: Central Nervous System Animation

For a complete list of videos, visit our video library