16D and 17D

16D

Based on the 15D, a version has been developed for adolescents aged 12-15 years (16D©/Marjo Apajasalo and Harri Sintonen). This version is also being used up to the age of 18.

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17D

Based on the 15D, a version has been developed basically for children aged 8-11 years (17D©/Marjo Apajasalo and Harri Sintonen). With proxy administration it can also be used for younger children.

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