1. Access to classrooms is restricted; classrooms are controlled environments, in terms of behaviour, dress, layout etc.
  2. Young people may find it harder to understand or respond to questions; the way in which or extent to which young people may be questioned can be limited; they may be wary of being frank with adults of higher status; they may be particularly susceptible to peer pressure.
  3. Heads or governors may refuse permission to access the school; areas of school life may be ‘off limits’ to researchers; teachers may not be cooperative; certain questions (eg about pupils’ views of teachers) may not be allowed.