When researchers refer to children's "horizontal" relationships, they have in mind all of the following except

According to the chapter Mad About Youabout sex differences in jealousy,

in the second investigation, half of the participants were presented with the sexual infidelity scenario first, and the other half with the emotional infidelity scenario first. This technique is called (a) counter attack (b) external validity (c) flip-flopping (d) counterbalancing

Which of the following is one of the critical-thinking guidelines described in the textbook?

a. don't overthink; go with your gut reaction b. define your terms c. accept all opinions as equally valid d. simplify as much as possible