When a child looks for an object in the place where it was last seen and gives up if it is not there, what type of logic are they demonstrating?

A strong positive correlation between the number of cigarettes smoked and the amount of alcohol consumed per day can be interpreted to mean that

a. smoking leads to drinking b. drinking leads to smoking c. a third variable such as stress increases both behavior d. any of the above

The American Academy of Pediatrics suggests that toilet training should be put off until the child shows signs of readiness. Which of the following is one sign of readiness?

a. staying dry for two-hour periods during the day b. waking up wet from naps c. resisting sitting on a potty chair d. the desire to continue using diapers