Which of the following is an example of an X-linked disorder?

What is the name of the principle that forming many associations and many types of associations to a word makes it easier to remember?

a. Representativeness heuristic b. Depth of processing c. Savings method d. Confabulation

Reba has been accurately diagnosed as being affected by organic intellectual disability. Which statement about Reba would ALWAYS be true?

a. Reba's disability is due to some identifiable biological cause. b. Reba's level of disability would be either severe or profound. c. Reba was raised in an understimulating environment. d. Reba has three 21st chromosomes.