The triangle test:

Question $14$ options:

a$)$Should be used when assumptions needed to do conjoint analysis test cannot be met.

b$)$ Is an essential step in validating scanner data.

c$)$Is no longer considered a valid method due to the practice of extra$-$territoriality.

d$)$Is used to determine whether consumers are able to reliably taste differences between two food or beverage products.

e$)$Is used to interpret focus group results.