If you are entertaining a number of hypotheses that might explain an experimental result and want to progressively eliminate hypotheses until one is left, you would probably use what type of design?

Jordan is a 10-year-old boy who has a mental age of 8 years. His IQ would be:

a) 80. b) 100. c) 125. d) 140.

Which of the following mothers is more likely to have a child who is better at understanding emotions?

A) Beth, who has four children and works full-time B) Betty, who has a secure attachment bond with her child C) Bev, who does not frequently talk about feelings or emotions with her child D) Bettina, who refuses to disagree with her husband in front of her children