Appendix 5: Administering and Follow-up Procedures
Original Main Sample
* Main mail-out 12/11/99: questionnaire, cover letter, SAE business reply slip and
flyer advertising further research sent to Heads of Science in the 199 schools in the
** First follow-up 6/12/99: non-responding schools sent a reminder by fax.
*** Second follow-up 12/1/00: complete ‘package’ as sent in original mail-out.