Three-year-old Ceres is playing with her toy farm. She has 15 cows, 3 pigs, and 2 horses. When her older brother asks whether there are more cows or more animals, she happily yells out, "more cows!" Ceres has not yet mastered the concept of

A) classification.
B) conservation.
C) representation.
D) reversibility.


A

Psychology

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Research indicates that people are less vulnerable to persuasive messages when they are well-rested, in a good mood, and not distracted by other stimuli. That is, people are less prone to be persuaded when they have ____

a. reverse conditioning b. stockpiled resources c. experienced a negative attitude change d. undergone systematic desensitization

Psychology

Sexually transmitted diseases (STDs) that can be prevented by using a condom and safer sex practices include which of the following?

a. gonorrhea and syphilis b. chlamydia and pelvic c. inflammatory disease genital herpes and HPV aka d. all of these

Psychology

In round figures, approximately ______ of North Americans of European descent are lactose intolerant.

a. 5% b. 10% c. 20% d. 25%

Psychology

A professional who would study how stress affects the heart is a(n) _____ psychologist

a. environmental b. health c. clinical d. I/O

Psychology