« previous next »

Author Question: A correlation coefficient of .80 in a measure is generally seen as reliable. Indicate whether the ... (Read 58 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jul 13, 2018
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
Reply #1 on: Jul 13, 2018
Answer to Question 1

T

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
A goniometer is used to measure range of motion of the patient’s arm. A goniometer is used to measure range of motion of the patient’s arm.
Performing a Spirometry Test to Measure Forced Vital Capacity Performing a Spirometry Test to Measure Forced Vital Capacity
Wintrobe tube and Westergren tests are used to measure the ESR. Wintrobe tube and Westergren tests are used to measure the ESR.
A partial stream sampling exhaust probe being used to measure exhaust gases in parts per million ... A partial stream sampling exhaust probe being used to measure exhaust gases in parts per million ...
Scatterplots of Variables Having Several Different Levels of Correlation Scatterplots of Variables Having Several Different Levels of Correlation
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library