« previous next »

Author Question: In an experiment, any variable that varies systematically with the treatment conditions and might ... (Read 79 times)

jwb375

  • Hero Member
  • *****
  • Posts: 540
on: Jun 19, 2018
In an experiment, any variable that varies systematically with the treatment conditions and might influence the participants' scores is called a(n) ____ variable.
 
  a. matching
  b. dependent
 c. extraneous
 d. confounding

Question 2

A sample that includes individuals with known qualifications or experiences is known as a(n) ____ sample.
 
  a. quota
 b. snowball
 c. heterogeneity
  d. expert


harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 19, 2018
Answer to Question 1

d

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Variable expressivity Variable expressivity
The Redi experiment. The Redi experiment.
Pavlov’s Salivary Conditioning Experiment (1 of 2) Pavlov’s Salivary Conditioning Experiment (1 of 2)
Mixing schematic Diagram CHE 415 unit operations experiment apparatus Mixing schematic Diagram CHE 415 unit operations experiment apparatus
Conditions Required for Bacterial Growth Conditions Required for Bacterial Growth
Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD
Video: Nerve Impulse Transmission Animation

For a complete list of videos, visit our video library