Dealmont: SO - Validity
Lacey/Eggleston (1976): USO - Practical Issues (time-consuming)
Fuller: USO - Practical Issues (permission)
may be easier to gain permission to observe lessons than interview pupils + teachers eg. head of London school studied by Fuller decided it would be good for pupils to have a non-teaching adult around + permission from parents wasn’t required for her to observe normal school behaviour, whereas it would’ve been if she wanted to conduct interviews
Wright (1992): USO - Practical Issues (personal characteristics)
Hammersley: USO - Practical Issues (privacy)
Delamont: USO - Ethical Issues
Willis (1977): USO - Representativeness
Hammersley: USO - Representativeness