The Design Study was used to critically assess and update the GGP’s programme of work (in the first round of data collection) including both the methodological components inherent to large-scale cross-national studies and to prepare the Blueprint for GGP’s future as an autonomous, sustainable international research infrastructure. A key objective of the Design Study was to improve the validity and reliability of existing measurement instruments in the GGS. The related deliverables are listed below.

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Report on existing wellbeing indices in the GGS (Deliverable 8)

• Report on existing GGS measures on Life Course and Decision Making (Deliverable 9)
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Report on the substantive and methodological evaluation of the various social network indices in the GGS (Deliverable 12)

• Report on evaluation of existing and feasibility for development of new psychological instruments in the GGS (Deliverable 13)

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Proposed new questionnaire module on economic well-being (Deliverable 21)
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Proposed new questionnaire module on social support networks (Deliverable 22)

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Proposed new questionnaire module on life course and decision making (Deliverable 23)

• Proposed new questionnaire module on psychological instruments (Deliverable 24)
• Report on the study fieldwork experience, methodological experiments and functionality of newly developed instruments (Deliverable 25)