8 You wish to analyze the pedestrian traffi c that passes a given store in a major shopping center. You are interested in determining how many shoppers pass by this store, and you would like to classify these shoppers on various relevant dimensions. Any information you secure should be obtainable from observation alone.

a What other information might you fi nd useful to observe?

b How would you decide what information to collect?

c Devise the operational defi nitions you would need.

d What would you say in your instructions to the observers you plan to use?

e How might you sample this shopper traffi c?