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 112 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
Excellent

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

How to find the quartiles and percentiles for a data set How to find the quartiles and percentiles for a data set
How to find the equation of a line passing through two points How to find the equation of a line passing through two points
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
A mobile weather station that can be used to gather current weather data at the scene of hazardous ... A mobile weather station that can be used to gather current weather data at the scene of hazardous ...
Testing motor function of cranial nerve VII - Show teeth Testing motor function of cranial nerve VII - Show teeth
Find the factor demand for labour and the amount of output it will produce. Show all ... Find the factor demand for labour and the amount of output it will produce. Show all ...
Video: Stroke volume - afterload definition & hypertension

For a complete list of videos, visit our video library