Can you train your
parents?
Behavior as Stimulus & Response
Clever Hans
Telling time
Keeping track of the calendar
Reading, spelling, German
Add, subtract, multiply, divide
Verbal or written questions
How did Hans do it?
Designing a Scientific
Experiment
Proving or disproving a hypothesis
The factors of a valid experiment
Manipulating variables
What Hans’
owner thought
Hans could perform intelligent tasks as well
as a human could
What Experimenters’
Found
The Hans Commission
– No tricks involved
Oskar Pfungst, psychologist
– Clever Hans was responding to the reactions of
his owner and the audience
Pfungst’s tests
Isolated from audience
Other questioners
Blinders on Hans
Questioner didn’t know answer
Response & Stimulus
Behavior =
Stimulus
Before the brain
In the brain
Complex interpretation
+
Response
Positive Response
Negative Response
Ignoring
Testing
stimulus & response
Stimulus: sight of cup
Try
1
2
3
Response: pulling hand away
Hit
Miss
Can you train your
parents?
Title:
The Effect of _________ (IV) on _________(DV)
Hypothesis:
If ____________________ (planned change in IV),
then ________________ (predicted change in DV).
Independent Variable:
Dependent Variable & How Measured:
Constants: