Author Question: Failure to rule out an effect that might be due to events that occur during a study introduces A) ... (Read 91 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?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

For a complete list of videos, visit our video library