english: We asked half of them to predict for us how much their values would change in the next 10 years, and the others to tell us how much their values had changed in the last 10 years.
non_english: Eén helft vroegen we te voorspellen hoeveel hun waarden zouden veranderen in de volgende 10 jaar. De andere helft vroegen we hoeveel hun waarden veranderden  in de afgelopen 10 jaar.