« previous next »

Author Question: Failure to rule out an effect that might be due to events that occur during a study introduces A) ... (Read 29 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Aug 4, 2018
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
Reply #1 on: Aug 4, 2018
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
Reply #2 on: Aug 4, 2018
Both answers were spot on, thank you once again


harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Reply #3 on: Aug 4, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

The Greenhouse Effect The Greenhouse Effect
Stressful Life Events, 5-HTT, and Depression Stressful Life Events, 5-HTT, and Depression
First-pass effect. First-pass effect.
Drugs That May Worsen Heart Failure Drugs That May Worsen Heart Failure
Events of the cardiac cycle Events of the cardiac cycle
Use the product rule to find derivative Use the product rule to find derivative
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library