Author Question: An unbiased sample occurs when a sample is taken and not everyone in the population has an equal or ... (Read 60 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
An unbiased sample occurs when a sample is taken and not everyone in the population has an equal or known chance of being selected.
 
  Indicate whether the statement is true or false

Question 2

Reflect on the Are You Equipped Now at the end of the chapter.
 
  If the decrease in pain reported by participants was due to internal changes that occurred within the participant over a three month time period, which of the following was a threat to internal validity?
 
  a. selection
  b. maturation
  c. regression to the mean
  d. attrition



johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

F

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

For a complete list of videos, visit our video library