{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/60ba0653b349f90012ecd19c/60ba065df37e4a0012692646?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Digging for validity: an interview with archaeologist Dr Lewis","description":"Guest speaker and archaeologist Dr Carenza Lewis explains how a valid assessment model has been developed for an extra-curricular activity.","author_name":"Cambridge Assessment"}