« previous next »

Author Question: We seek to control extraneous variables in research because they A) are threats to reliability. ... (Read 96 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Aug 4, 2018
We seek to control extraneous variables in research because they
 
  A) are threats to reliability.
  B) distract the participants.
  C) reduce validity.
  D) reflect the experimenter's planned biases.

Question 2

Changes in one variable resulting in predictable changes in another
 
  A) show that a causal relationship cannot be inferred.
  B) can be observed only in naturalistic or case-study research.
  C) occur only in correlational studies.
  D) suggest that a causal relationship exists.


Sweetkitty24130

  • Sr. Member
  • ****
  • Posts: 291
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Cortical Control of Movement Cortical Control of Movement
Participant observation, participating and observing in a research setting, is usually supplemented ... Participant observation, participating and observing in a research setting, is usually supplemented ...
(A) Female head louse. (Courtesy of the Centers for Disease Control and Prevention/ Dr. Dennis ... (A) Female head louse. (Courtesy of the Centers for Disease Control and Prevention/ Dr. Dennis ...
Sections of a Research Report Sections of a Research Report
Research Methods: A Process of Inquiry Research Methods: A Process of Inquiry
Control of Respiration Control of Respiration
Video: Digestive chemicals - types & enzymes

For a complete list of videos, visit our video library