The “onion model” has persisted as what sort of approach to the study of identities, even though it is not supported by research?

The 8x8 rule states

a. no more than 8 words per line and 8 lines per slide b. no more than 8 letters per word and 8 lines per slide c. no more than 8 slides for an 8 minute presentation d. no more than 8 graphics for an 8 minute presentation

It is acceptable to have five to seven main points in the body of a five to seven

minute speech. Indicate whether the statement is true or false.