Author Question: A correlation coefficient of .80 in a measure is generally seen as reliable. Indicate whether the ... (Read 36 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?

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.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library