« previous next »

Author Question: Two independent variables are confounded when a. they both vary in the study b. one varies and ... (Read 49 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?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

A cross of sweet peas showing that independent assortment does not always occur A cross of sweet peas showing that independent assortment does not always occur
Results of the study by Laruelle et al. (1996) Results of the study by Laruelle et al. (1996)
Both the top and bottom pattern have the same frequency. However, the amount of on-time varies. Both the top and bottom pattern have the same frequency. However, the amount of on-time varies.
Study egocentrism in children Study egocentrism in children
The results from West and Crook's study of memory for telephone numbers The results from West and Crook's study of memory for telephone numbers
Independent assortment of alleles of two genes Independent assortment of alleles of two genes
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library