« previous next »

Author Question: Two independent variables are confounded when a. they both vary in the study b. one varies and ... (Read 41 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jun 20, 2018
Two independent variables are confounded when
 
  a. they both vary in the study
  b. one varies and one does not
  c. their separate effects cannot be tested
  d. None of these are true

Question 2

Confounding is a threat to ________ validity
 
  a. internal
  b. external
  c. construct
  d. statistical


fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Independent assortment of chromosomes at meiosis explains Mendel’s ratio Independent assortment of chromosomes at meiosis explains Mendel’s ratio
Independent Assortment Independent Assortment
Performing a Correlational Study Performing a Correlational Study
Study Duddy 1 Study Duddy 1
Study Tips Study Tips
Light-independent reactions in C4 plants Light-independent reactions in C4 plants
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library