Most of the evidence accumulated to date points to which of the following as the primary cause of most cases of attention deficit disorder?

a. excessive sugar intake
b. hypersensitivity to food additives
c. hyperthyroidism
d. unknown mechanisms


d

Psychology

You might also like to view...

The two areas of the brain that are responsible for the initial storage of information are the _______________ and the _______________

Fill in the blank(s) with correct word

Psychology

In a(n) ____________________ schedule, a response will only be reinforced after an unpredictable number of responses have been made

Fill in the blank(s) with correct word

Psychology

An intermediate form of elder care is assisted living

Indicate whether this statement is true or false.

Psychology

Counterbalancing cannot be used for between-subject design study.

Answer the following statement true (T) or false (F)

Psychology