The dfTotal for a one-factor between-subjects analysis of variance is equal to dfA _____ dfError

People with dementia often show difficulty with abstract thinking. Which of the following questions to a person with dementia would help to demonstrate this difficulty?

a. "What time is it?" b. "What was the name of your first grade teacher?" c. "Why are a baseball bat and a hockey stick alike?" d. "What would you like to have for supper tonight?"

You work as a salesperson in a clothing store where you are paid a commission. The more you sell, the more you make. A veteran salesperson suggests that you try to sell suits first and then shirts and ties, not the other way around. He says,

"Sell the more expensive items first because they will make even expensive shirts and ties seem not that expensive." Which of these concepts from sensation and perception is involved in this advice? a) absolute threshold b) subliminal stimulation c) just noticeable difference d) law of specific nerve energies