Similarly, the "homework" indicator was removed from the construction of the educational resources dimension for Ireland. Unfortunately, the entire educational resources dimension had to be removed from the analysis for school-age children in Denmark, Hungary, Latvia, Malta, and Slovakia. As regards the oldest age group, the following countries were entirely omitted from the analysis because information on many items was not collected at all: Belgium, Czech Republic, Denmark, Finland, Iceland, the Netherlands, Norway, Sweden, Slovenia and the UK.