Author Question: Tamir et al. (2008) conducted a study to see what impact music has on participants playing computer ... (Read 67 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
Tamir et al. (2008) conducted a study to see what impact music has on participants playing computer games. The researchers had participants play computer games while listening to angry, exciting, and neutral music.
 
  The researchers then measured the participant's performance while listening to each type of music. Which of the following is a disadvantage of this type of research design?
 
  a. fewer participants
  b. less statistical variance
  c. equal group sizes
  d. fatigue

Question 2

Which of the following statements accurately describes the use of double blind studies?
 
  a. Double blind studies are not ethical as the researcher is not given total access to participant data.
  b. Double blind studies are a preferred technique because they reduce the threats to internal validity.
  c. Single blind studies are preferred over double blind studies because the researcher can directly interact with the participants.
  d. None of the above



Tonny

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

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

For a complete list of videos, visit our video library