Experiments are said to have ______ validity when observed changes in the dependent

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

research findings about jealousy is correct? (a) When one romantic partner is significantly more attractive to members of the opposite sex than the other, the less attractive partner will experience less jealousy (b) women are particularly jealous of same-sex rivals who have more resources than they do (c) men are particularly jealous of same-sex rivals who have more resources than they do (d) women have a better memory than men for cues to sexual infidelity than for cues to emotional infidelity

Your friend is frustrated because she has tried to toilet train her 24-month-old son for the past week, but progress is slow and taking longer than she would like. Which of the following statements is a proper response to your friend?

a. "I'm surprised he's not potty trained yet. You might want to see a pediatrician." b. "Be patient, it is not going to happen overnight. Some children take months or even years to become potty trained." c. "Most toddlers learn how to use the potty in two weeks, so you're almost there." d. "You really shouldn't toilet train until the child stays dry throughout the night. So I don't think he's ready just yet."