# How do I create a composite of items?

(Difference between revisions)
 Revision as of 03:03, 25 May 2008 (view source)Doug (Talk | contribs)← Older edit Latest revision as of 20:57, 7 September 2009 (view source)Doug (Talk | contribs) (One intermediate revision not shown) Line 1: Line 1: '''How do I create a composite of items?''' '''How do I create a composite of items?''' *You composite questions into 1 variable by averaging together all the individual questions. [[Image:Fe40.png]] - Imagine you have 5 questions designed to measure a person's current (negative) emotional state, such as "How strongly do you feel each of the following emotions? Sad, Upset, Depressed, Anxious, Nervous." You have data for all 5 questions, so you can average all 5 questions together to create 1 composite encapsulates how the participant feels at the moment. *You composite questions into 1 variable by averaging together all the individual questions. [[Image:Fe40.png]] - Imagine you have 5 questions designed to measure a person's current (negative) emotional state, such as "How strongly do you feel each of the following emotions? Sad, Upset, Depressed, Anxious, Nervous." You have data for all 5 questions, so you can average all 5 questions together to create 1 composite encapsulates how the participant feels at the moment. - *However, before you can average all the items together + *However, before you can average all the items together, the items first need to be on the same scale range, and reverse coded, if necessary. See [[How do I create a composite with items with different scale ranges?]] and [[How do I create a composite with items labeled in opposite directions?]] - * + - + - + - + Line 12: Line 8: ---- ---- - ◄ Back to [[Research_Tools |Research Tools mainpage]] + ◄ Back to [[Analyzing Data]] page

## Latest revision as of 20:57, 7 September 2009

How do I create a composite of items?

• You composite questions into 1 variable by averaging together all the individual questions. - Imagine you have 5 questions designed to measure a person's current (negative) emotional state, such as "How strongly do you feel each of the following emotions? Sad, Upset, Depressed, Anxious, Nervous." You have data for all 5 questions, so you can average all 5 questions together to create 1 composite encapsulates how the participant feels at the moment.
• However, before you can average all the items together, the items first need to be on the same scale range, and reverse coded, if necessary. See How do I create a composite with items with different scale ranges? and How do I create a composite with items labeled in opposite directions?

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