Author Question: The threat to validity that occurs as a result of a natural development that occurs between pre- and ... (Read 116 times)

wrbasek0

  • Hero Member
  • *****
  • Posts: 560
The threat to validity that occurs as a result of a natural development that occurs between pre- and post- measurement is called a(n) ____ threat.
 
  a. history
 b. maturation
 c. instrumentation
  d. testing

Question 2

When more than one independent variable can account for obtained results, we say that the variables interact.
 
  Indicate whether the statement is true or false



Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

b

Answer to Question 2

F



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library