It is hard to overstate how important GUI is in terms of the scale of research. Interviewing of more than 11,000 people takes place. One group is now 12 years old, the other group is 22 and now there is this new group. This has been able to chart major developments. The first group would have been some of the first children to undertake the ECCE programme after it was introduced in 2008-09. We have been able to chart the difference that has made to them. Particularly during Covid-19, we have been able to do a numbe…