Animal intelligence: Experimental studiesThorndike, Edward L. (Edward Lee)
Science
Animal intelligence: Experimental studies
Thorndike, Edward L. (Edward Lee)
Animal intelligence; Psychology, Comparative
=======================================+================================
| DOG 3 IMITATING DOG 1
--------------------------------+------+------+--------------+----------
| Times| Times|Times probably| Time
| 1 did| 3 saw| 3 saw | in alone
--------------------------------+------+------+--------------+----------
| 30 | 7 | 14 | 3.00 F
After 1 Hour | 35 | 9 | 14 | 3.00 F
After 1 Hour | 10 | 3 | 3 | 5.00 F
After 24 Hours | 20 | 6 | 8 |
| 30 | 8 | 13 | 6.00 F
After 48 Hours | 25 | 8 | 11 | 8.00 F
| 25 | 6 | 12 | 6.00 F
| 25 | 9 | 7 | 10.00 F
After 24 Hours | 30 | 10 | 11 | 40.00 F
| | | |
Total times surely and possibly seen,— 66 93 |
=============================================================+==========
A similar failure to imitate was observed in the case of another simple
act. No. 1, as may be seen on page 60, had learned to escape from a pen
about 8 by 5 feet by jumping up and biting a cord which ran from one end
of the pen to the other and at the front end was tied to the bolt which
held the door. Dogs 2 and 3 had failed in their accidental jumping and
pawing to hit this cord, and were then given a chance to learn by seeing
1 do so, escape, and, of course, be fed. 1 always jumped in the same way,
biting the cord at the same place, namely, where a loose end from a knot
in it hung down 4 or 5 inches. 2 and 3 would either be tied up in the pen
or left in a pen at one side. They had a perfect chance to see 1 perform
his successful act. After every twenty or thirty performances by 1, 2 and
3 would be put in alone. It should be remembered that here, as also in
the previous experiment and all others, the imitators certainly _wanted_
to get out when thus left in alone. They struggled and jumped and pawed
and bit, but they never jumped _at the cord_. Their records follow:—
TABLE 6 (b)
Public-domain text, read in full here on John Shaqi.
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