Pavlovs Dog 1927

Question 1

Aim of Pavlovs Dog 1927

Answer 1

explain the role of conditioned reflexes through exploring how salvation becomes associated with new stimuli unrelated to food

Question 2

Pavlovs dog 1927 dependant variable

Answer 2

saliva : volume of saliva collected from cannula

Question 3

Where did Pavlovs Dog 1927 take place

Answer 3

sound proof chamber - to minimise the effects of extraneous variables

Question 4

Pavlovs dog 1927 procedure

Answer 4

1. measured salivation in response to metronome
2. paired metronome with food continuously around 20 times each
3. measured salivation in response to metronome after pairing

Question 5

1927 Pavlovs dog findings

Answer 5

• metronome didn’t elicit a response , food gave immediate salivation
• after pairing , metronome evoked 45 drops of saliva after 9 seconds of the metronome sound

Question 6

1927 Pavlovs dog conclusions

Answer 6

A link is likey to be made in the brain between a UCS and an NS that occurs before the UCS
this is called signalisation which has survival value in preparing an organism for events.

Question 7

1927s Pavlovs Dog POSITIVE A03s

Answer 7

p1: presentation of the food and metronome > simultaneous which is standardised = makes it reliable
p2: pavlov controlled extraneous variables (sound proof lab) allowing strong cause and effect relationship = valid

Question 8

1927s Pavlovs Dog NEGATIVE A03s

Answer 8

p1: sound proof lab = not comfortable habitat - breaks a guild line of protection
p2 : lack of generalisation as it one ONE DOG

Question 9

1927 Pavolvs 8mark Conclusion points

Answer 9

• removed part of dogs throat , extremely painful - protection of harm
• perhaps the necessary cost as this led to the establishment of systematic desensitisation

Question 10

Pavlovs 1927 dog :
UCS
UCR
NS
CS
CR

Answer 10

UCS : food
UCR : salivation

NS : metronome
paired w/ UCS : food
UCR : salivation

after conditioning
CS: metronome
CR : Salivation