However, he meticulously recorded observational detail on practical research, and subsequently advocated not only this practice, but its publication, both for successful and unsuccessful experiments, so as to validate individual claims by replication.
Sellegipoolest talletas ta oma praktilises uurimistöös vaatlusdetailid piinliku täpsusega ja seejärel propageeris mitte üksnes oma praktikaid, vaid ka publikatsioone, nii edukate kui ka ebaõnnestunud katsete puhul, et kordamine kinnitaks üksikuid väiteid.