« previous next »

Author Question: A researcher studying productivity among factory workers finds that productivity declines as the ... (Read 118 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
on: Jun 19, 2018
A researcher studying productivity among factory workers finds that productivity declines as the outside temperature increases. This is an example of
 
  a. a negative correlation
  b. a zero correlation
  c. a positive correlation
  d. a confound

Question 2

When using a _____ variable, subjects are _____ assigned to groups.
 
  a. nonmanipulated independent; randomly
  b. nonmanipulated independent; not randomly
  c. subject; randomly
  d. manipulated independent; not randomly


lorealeza

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 19, 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?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

W(illiam) E(dward) B(urghardt) Du Bois (1868–1963) spent his lifetime studying relations between ... W(illiam) E(dward) B(urghardt) Du Bois (1868–1963) spent his lifetime studying relations between ...
Dolores Huerta and Cesar Chavez, leaders of the United Farm Workers, discuss their 1968 strike of ... Dolores Huerta and Cesar Chavez, leaders of the United Farm Workers, discuss their 1968 strike of ...
Candidates for jobs are sometimes rejected when the prospective employer finds negative images or ... Candidates for jobs are sometimes rejected when the prospective employer finds negative images or ...
Decomposition of Productivity Gap Between India and the United States Decomposition of Productivity Gap Between India and the United States
Role of Productivity in Determining Growth, 1975–2009 Role of Productivity in Determining Growth, 1975–2009
What is the contribution of studying wing spot in the field? What is the contribution of studying wing spot in the field?
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library