« previous next »

Author Question: In order to combat any threats to internal validity during sampling procedures, researchers should ... (Read 61 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
on: Jul 13, 2018
In order to combat any threats to internal validity during sampling procedures, researchers should use .
 
  a. external validity.
  b. systematic sampling.
  c. random sampling.
  d. random assignment.

Question 2

A researcher assigns participants to receive a caffeinated or non-caffeinated beverage. The type of beverage is the subject variable.
 
  Indicate whether the statement is true or false


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 13, 2018
Answer to Question 1

D

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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.

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?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

A single crossover inserts F at a specific locus, which then determines the order of gene transfer A single crossover inserts F at a specific locus, which then determines the order of gene transfer
internal organs chart internal organs chart
The ultimate foundation of any political order is violence, no more starkly demonstrated than when a ... The ultimate foundation of any political order is violence, no more starkly demonstrated than when a ...
Metastasis Cancer Order Metastasis Cancer Order
Internal Anatomy of the Spinal Cord Internal Anatomy of the Spinal Cord
bird internal bird internal
Video: Glycolysis Animation

For a complete list of videos, visit our video library