This topic contains a solution. Click here to go to the answer

Author Question: A participant in an experiment is told that a particular pill should improve her performance on a ... (Read 165 times)

tth

  • Hero Member
  • *****
  • Posts: 579
A participant in an experiment is told that a particular pill should improve her performance on a cognitive task. The participant is then given the pill, and she performs better than usual on the task. In actuality, the pill did not contain any ingredients that would affect her performance on the task. The participant's improved performance is most likely due to ____.
 
  a. the double-blind design
  b. random variables
  c. the placebo effect
  d. confirmation bias

Question 2

In Dr. Turgrove's experiment, he includes a control group that receives a placebo. This type of research design is meant to control which confound?
 
  a. participants' expectations
  b. experimenter bias
  c. sampling bias
  d. independent variable



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Joy Chen

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

ANSWER:
c

Answer to Question 2

ANSWER:
a





 

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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Thyroid conditions may make getting pregnant impossible.

For a complete list of videos, visit our video library