Multiple sclerosis is a disease in which the immune system attacks and destroys

____ is an emotional bond that promotes the protection and survival of children during the years in which they are most vulnerable

a. A secure base b. Imprinting c. Attachment d. Home base

In the sleep learning experiment, as presented in your text, two major problems can

be said to exist in the design of the experiment. What were these two problems? A) type of language, operational definition of sleep B) type of language, time of night in which sleep occurred C) lack of control group, time of night in which sleep occurred D) lack of control group, operational definition of sleep