Reliability And Validity

Question 1

Ethnocentrism

Answer 1

Freud would argue that all children go through the same stages
The sample is extremely limited and therefore not representative of different cultures

Question 2

Internal reliability

Answer 2

The case study method including unstructured questions would reduce reliability

Question 3

External reliability

Answer 3

The findings are based on a single participant so cannot say if the fears would be shown in other children

Question 4

Internal validity

Answer 4

More straight forward answered for hans behaviour, the interpretations by freud and hans dad are subjective
You could argue hans father used leading questions

Question 5

External validity

Answer 5

Population validity is low
The sample is one boy from Austria, doesn’t represent the development of girls or those from different cultures