Dinah lost her spouse in a car accident yesterday. Research suggests that Dinah may experience a decline in the activity of ____, a type of cell that has important antiviral and antitumor functions

Many studies over many years have replicated Piaget's results on tasks such as object permanence and conservation, under the condition that

A) the instructions are presented in English. B) the child's parent is present during testing. C) the experimenters conduct the tasks in the same ways as Piaget conducted them. D) only firstborn children are tested.

A patient at the mental health center has an anxiety disorder and is being treated with a drug that affects serotonin levels. Which of the following disorders is most likely one that will respond to this treatment?

a) social phobia b) agoraphobia c) generalized anxiety disorder d) obsessive-compulsive disorder