« previous next »

Author Question: We seek to control extraneous variables in research because they A) are threats to reliability. ... (Read 66 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?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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.

The endocrine control of spermatogenesis. The endocrine control of spermatogenesis.
The control of cellular respiration The control of cellular respiration
Stem cell research may cure diabetes, but lacks funding Stem cell research may cure diabetes, but lacks funding
Control of the Membrane Potential Control of the Membrane Potential
Neural control of hormone release from the hypothalamus. Neural control of hormone release from the hypothalamus.
Phrenology model showing areas of the head overlaying brain regions that control different traits. I Phrenology model showing areas of the head overlaying brain regions that control different traits. I
Video: Phlebotomy

For a complete list of videos, visit our video library