Notice: Payments for answers will end 4/10/2017. Click for more info.
Question and answer
Question not found
Ask a question
Not a good answer? Get an answer now. (Free)
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
After hearing about some possible causes of sneezing, a scientist decides that room fresheners are the most common cause. What is the term that describes the scientist’s thinking? (Points : 1) Hypothesis Scientific method Cognitive dissonance Social influence
Weegy: Cognitive dissonance User: Choose the combination that best represents racial groups. (Points : 1) Blacks, Native-Americans, Pacific-Islanders Jews, Catholics, Muslims Blacks, Catholics, Hispanics Germans, Canadians, Mexicans (More)
Question
Expert Answered
Updated 1/22/2012 6:39:23 PM
1 Answer/Comment
Native-Americans,
Added 1/22/2012 6:39:23 PM
You want to know if caffeine has an affect on test performance, so you give 30 students regular coffee and 30 students decaffeinated coffee. You then measure how many questions each group answered correctly. In this example, what is the independent variable? (Points : 1) Caffeine Test questions Number of questions answered correctly Students
Weegy: The Independent variable is Caffeine. The dependent variable is the Test Performance. (More)
Question
Expert Answered
Updated 7/17/2012 10:19:12 AM
2 Answers/Comments
You want to know if caffeine has an affect on test performance, so you give 30 students regular coffee and 30 students decaffeinated coffee. You then measure how many questions each group answered correctly. In this example, what is the dependent variable?
Added 6/4/2011 7:12:50 PM
Number of questions answered correctly
Added 7/17/2012 10:19:12 AM
This answer has been added to the Weegy Knowledgebase
27,392,664 questions answered
Weegy Stuff
S
P
Points 114 [Total 765] Ratings 0 Comments 114 Invitations 0 Offline
S
P
P
L
P
P
Points 54 [Total 1722] Ratings 0 Comments 54 Invitations 0 Offline
S
Points 21 [Total 21] Ratings 2 Comments 1 Invitations 0 Offline
S
Points 20 [Total 20] Ratings 2 Comments 0 Invitations 0 Offline
S
Points 3 [Total 14] Ratings 0 Comments 3 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.