Author Question: Failure to rule out an effect that might be due to events that occur during a study introduces A) ... (Read 85 times)

colton

  • Hero Member
  • *****
  • Posts: 627
Failure to rule out an effect that might be due to events that occur during a study introduces
 
  A) additional dependent variables.
  B) a type of researcher bias.
  C) the confounding effect of history.
  D) a threat to statistical validity.

Question 2

Historical factors are particularly important to consider when we are
 
  A) paying participants for their participation in research.
  B) doing cross-cultural research.
  C) measuring dependent variables responsive to environmental changes.
  D) measuring dependent variables such as height and weight.



harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

colton

  • Hero Member
  • *****
  • Posts: 627
Both answers were spot on, thank you once again




 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library