Author Question: This threat to internal validity refers to changes in participants that occur over time during an ... (Read 68 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
This threat to internal validity refers to changes in participants that occur over time during an
  experiment and may include tiredness or boredom.
 
  A) selection B) testing C) history D) maturation

Question 2

This individual is credited with the statement: Let us never introduce more than is required for
  an explanation.
 
  A) William of Ockham B) Sherlock Holmes
  C) William of Parsimony D) Sir Francis Galton



Jevvish

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

For a complete list of videos, visit our video library