« previous next »

Author Question: In order to combat any threats to internal validity during sampling procedures, researchers should ... (Read 60 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?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

The internal female reproductive organs The internal female reproductive organs
Sagittal section of upper respiratory system illustrating the internal anatomy of the nasal cavity, Sagittal section of upper respiratory system illustrating the internal anatomy of the nasal cavity,
The firing order is cast or stamped on the intake manifold on most engines that have a distributor ... The firing order is cast or stamped on the intake manifold on most engines that have a distributor ...
How to evaluate third-order determinants by Minors Method (Question 2) How to evaluate third-order determinants by Minors Method (Question 2)
The Internal Anatomy of a Long Bone The Internal Anatomy of a Long Bone
Evolution of internal membranes Evolution of internal membranes
Video: Vasectomy

For a complete list of videos, visit our video library