If you sleep in a dark room without interruption, we would expect you to sleep ________ hours per night

Many years ago, telephone numbers had only four or five digits. Even now, no more than seven digits are used for phone numbers. The most reasonable psychological explanation for this is that ________________

a. there is a direct relationship between the number of items in the sensory registers and their retention b. there is an inverse relationship between the number of items in the sensory registers and their retention c. there is a direct relationship between the number of items in short-term memory and their retention d. there is an inverse relationship between the number of items in short-term memory and their retention

Which of the following is a question that a researcher engaged in the person–situation debate might ask?

a. What causes personality? b. Does personality exist at all? c. Do situations "exist"? d. At what point do extraverted people start to become introverted?