Author Question: We seek to control extraneous variables in research because they A) are threats to reliability. ... (Read 100 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
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
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
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

For a complete list of videos, visit our video library