Approaches To Psychology Flashcards
Evaluation of Wundts contribution to society
:) one of the first people to argue that scientific methods could be used to study human thinking
:( Wundt found that introspection was unreliable as people’s reports on their experiences were too subjective.
What are the key features of science?
Control- controlled conditioning in experimental methods
Objective- scientific knowledge and theories should be based on observable information and no on opinion.
Replicable- able to repeat the procedures
Empiricism- knowledge is gained through testing theories
Advantages of scientific approach to psychology
Attempting to study human behaviour scientifically helps us to develop treatments.
Breaking complex processes down enable us to understand human behaviour better.
The scientific cycle means that our theories should be constantly developing and improving
Disadvantages of scientific approach to psychology
Studying people in controlled conditions often means that we do no observe their natural behaviour which may limit the validity of psychological theories.
Most psychological process are not directly observable.
Genotype
A genotype is an individual’s genetic make up. Eg eye colour
Phenotype
The combination of someone’s genotype and the environment. For example, someone’s build is determined by their genes and nutrition.
Why do psychologists study twins?
Twin studies provide psychologists with a natural experimental design.
Twins usually grow up in the same environment so we can assess whether something is due to genes. (Rules out environmental factors)
Monozygotic
Identical twins
Dizygotic
Non identical twins
Evolution
All animals have evolved to be the way they are base of pressures to survive and reproduce.
The learning approach (behaviourist)
The key assumption of the learning approach is that all behaviour is learned.
The approach assumes that we are born as a blank slate (tabula rasa) and our behaviour is a result of experiences.
Pavlov
Classical conditioning was explained in the study of Pavlovs dogs.
The dogs learned to associate the sound of a bell with their food so after a while, they began to salivate just when they heard to sound of the bell
Diagram of Pavlovs dogs experiment
Bell (NS) - no salivation
Food (UCS)- salivation
Bell (NS) + food (UCS) - salivation (UCR)
Bell (CS)- salivation (CR)
Skinner
Skinner demonstrated operant conditioning
When the rat pressed the lever, they were rewarded with a pellet of food. (Positive reinforcement)
The floor was electrified as a punishment for an action that the rat did such as pressing the level when a red light was showing. Avoiding this electric shock by not pressing the level was negative reinforcement .
Strengths of classical and operant conditioning
Scientific methods are used
Leads to practical applications such as using operant conditioning to train guide dogs or the use of rewards in schools