==== 1956 (aged 10 years) ====
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=== Responding Population ===

The schools of all eligible study members were contacted.

|Provided information         |4,077|                        | | | | | |
|Cumulative total of deaths   |240  |                        | | | | | |
|Cumulative permanent refusals|1    |                        | | | | | |
|Temporarily living abroad    |37   |                        | | | | | |
|Cumulative emigrated         |273  |                        | | | | | |
|Failure to contact           |734  |                        | | | | | |
| |
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=== Data collection ===

The study member’s teacher and the school’s head teacher completed the postal questionnaire about the type of school, the child’s attainment and behaviour, and parental interest.
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=== Training for data collection ===

Instructions are given at the head of each form.
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=== Contents ===

  * Type of school
  * Type of class
  * Achievements and behaviour of the study member
  * Parents' interest and home environment
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=== Questionnaires ===

  * {{ questionnaires : 1956_teacher_EW-s4a.pdf|Form S4a }} – Teacher’s Questionnaire (England and Wales)
  * {{ questionnaires : 1956_teacher_Scot-s4b.pdf|Form S4b }} – Teacher’s Questionnaire (Scotland)