Author Question: A correlation coefficient of .80 in a measure is generally seen as reliable. Indicate whether the ... (Read 68 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
A correlation coefficient of .80 in a measure is generally seen as reliable.
 
  Indicate whether the statement is true or false

Question 2

The authors of your textbook discussed a study on teaching practices in which their two classes where communicating with one another and influenced the results of the study.
 
  In this scenario, which of the following was a threat to internal validity?
 
  a. attrition
  b. testing
  c. diffusion of treatment
  d. instrumentation



alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

T

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library