PREFACE
INTRODUCTION. Object of research and methods
CHAPTER I. Records of observation.
Opening door
Unfastening hooks
Unfastening latches
Unfastening sliding bolts
Unfastening turning-locks (excentre-handle)
Unfastening turning-locks (centre-handle)
Unfastening catch
Unfastening chain
Unfastening door strap, simple and complicated
Unlocking inside padlock with key
Unwinding tape
Unlocking outside padlock with key
CHAPTER II. Analysis of evidence obtained when working with units.
Enumeration of accomplishments
Means for attaining end
Description
Tempo
Method used for accomplishing trick (initial and ultimate procedure)
Rate of performance
First unlocking experiment
Last unlocking experiment
Greatest duration of experiment
Least duration of experiment
Improvement in rate of performance
Rate of improvement
Average duration of unlocking
Retentivenes in memorizing trick
CHAPTER III. Analysis of evidence obtained when working with aggregates (Serial Sets).
Enumeration of accomplishments
Means, description and tempo of performance in mastering the trick
Method used for accomplishing trick (initial and ultimate performance)
Rate of performance
First unlocking experiment
Last unlocking experiment
Greatest duration of experiment
Least duration of experiment
Improvement in rate of performance
Rate of improvement
Average duration of unlocking
CHAPTER IV. Specific negative features of the monkey's work.
Waste of work
Haphazard unlocking
No account taken of device already being unlocked
Automatism
Hastiness
Distraction
Limited range of exploration
Inconsiderable imitative tendencies
CHAPTER V. Perforamce with Units versus that with Aggregates (Serial Sets).
CONCLUSION. Prognosis with regard to the capability of the monkey to master the process of work and also in respect of the genetic place occupied by modern monkeys
ENGLISH SUMMARY.