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personality_sum_scores_neo [2021/08/30 15:50] laura |
personality_sum_scores_neo [2021/08/30 15:52] laura |
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===== Calculation sum scores ===== | ===== Calculation sum scores ===== | ||
- | The calculation of the personality sum scores consisted of two steps. The first being data preparation and the second the calculation of the actual sum scores. | + | The calculation of the personality sum scores consisted of two steps. The first being data preparation and the second is the calculation of the actual sum scores. |
=== Preparation === | === Preparation === | ||
- | First, the variables for each facet and FFI domain were named according to their facet/domain (e.g. C1-C8 for the competence facet). Additionally, some items of the questionnaire should be reversed in order to calculate an appropriate sum score. A detailed overview of the variables per facet/domain and the items that are reversed can be found in the syntax on the Lifelines workspace. | + | First, the variables for each facet and FFI domain were named according to their facet/domain (e.g. C1-C8 for the competence facet). Additionally, some items of the questionnaire should be reversed to calculate an appropriate sum score. A detailed overview of the variables per facet/domain and the items that are reversed can be found in the syntax on the Lifelines workspace. |
Finally, variables have been created indicating the number of valid answers per facet and domain.\\ | Finally, variables have been created indicating the number of valid answers per facet and domain.\\ | ||
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=== Remarks === | === Remarks === | ||
* The total number of items for a facet is 8, for a domain this is 12. As a result, the sum score for facets ranges from 0-40 and for the domains from 0-60. | * The total number of items for a facet is 8, for a domain this is 12. As a result, the sum score for facets ranges from 0-40 and for the domains from 0-60. | ||
- | * The FFI item extraversion has one missing question. As a result no sum score item nr 1 has been calculated (as there is always at least one missing question). | + | * The FFI item extraversion has one missing question. As a result, no sum score item number 1 has been calculated (as there is always at least one missing question). |
* Even though all FFI items have been included in only part of the questionnaires, the FFI sum scores have been calculated for all domains. This has been decided because before adding the missing items, the questionnaire did already contain some FFI items. | * Even though all FFI items have been included in only part of the questionnaires, the FFI sum scores have been calculated for all domains. This has been decided because before adding the missing items, the questionnaire did already contain some FFI items. | ||
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