Converting IPIP Item Responses to Scale Scores

 
Here is how to score IPIP scales:
 
For + keyed items, the response "Very Inaccurate" is assigned a value of 1, "Moderately Inaccurate" a value of 2, "Neither Inaccurate nor Accurate" a 3, "Moderately Accurate" a 4, and "Very Accurate" a value of 5.
 
For - keyed items, the response "Very Inaccurate" is assigned a value of 5, "Moderately Inaccurate" a value of 4, "Neither Inaccurate nor Accurate" a 3, "Moderately Accurate" a 2, and "Very Accurate" a value of 1.
 
Once numbers are assigned for all of the items in the scale, just sum all the values to obtain a total scale score.
 
Easy, no? (If you are having problems, you might contact the IPIP consultant.)
 
 
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