Orthogonal Design – SPPS Statistics Base 24

Try to da a conjoint analysis with SPSS Statistics Base 24. To me more correct I like to create an orthogonal design. My workbook says it’s done by choose “data” and then move to “orthogonal design” but there is now way to select this. Is there a different way to create this orthogonal design or do I need to get an update? Please tell me how to do.

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