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Intelligenzprüfungen an Menschenaffen

Intelligenzprüfungen an Menschenaffen

Wolfgang Köhler

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Editorial:
Springer Nature B.V.
Año de edición:
1921
Materia
Biologia, ciencias de la vida
ISBN:
9783642472169
103,53 €
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Bericht aufgenommen, da im allgemeinen das frtiher beobachtete Verhalten wiederkehrte, jedenfalls aber nichts Wesentliches an den alteren Ergebnissen zu korrigieren war. 3. Versuche der oben angegebenen Art konnen je nach der Situation, um die es sich bei ihnen hande1t, recht verschiedene Anforderungen an die zu priifenden Tiere stellen. Um ganz ungefahr die Schwierig­ keitszone zu finden, innerhalb deren die Priifung von Schimpansen tiberhaupt sinnvoll ist, stellten Hr. E. Teuber und ich ihnen eine Aufgabe, die uns schwierig, deren LOsung durch Schimpansen uns jedoch nicht unmoglich schien. Wie sich Sultan bei diesem Versuch benahm, sei zur vorlaufigen Orientierung auch hier vorausgeschickt. Am Henkel eines offenen Korbchens, das Friichte enthalt, ist eine lange, dtinne Schnur festgekntipft; oben ins Drahtgitterdach des Spielplatzes der Tiere wird ein Eisenring gehangt, durch diesen die Schnur hindurchge­ zogen, bis der Korb etwa 2 m tiber dem Boden schwebt, und das freie Ende der Schnur in Form einer recht weit of­ fen en Schlinge tiber den kurzen Ast­ stumpf eines Bau­ mes gelegt, etwa 3 m entfernt yom Korb­ chen und ungefahr in gleicher Hohe; die Schnur verlauft in spitzem Winkel Skizze r. mit dem Scheitel im Eisenring (vgl. Skizze I). - Sultan, der die Vorbereitung nicht gesehen hat, wohl aber das Korbchen yom Ftittern her gut kennt, wird auf den Platz ge1assen, wahrend der Beobachter auBerhalb am Gitter Stel­ lung nimmt.

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