Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident. The number of hours that each participant slept the night before the driving test would be a(n) __________variable

Jenna skipped dinner last night to stay up late studying for her final exam. She went to bed at 6 am and had to be at class by 8 am. Her alarm clock did not go off as scheduled, and she raced out the door without eating

As a result, she was very distracted by hunger pangs and lack of energy while taking the test. She later learned that she failed her exam. Jenna could have likely performed better on her final if she had met a __________ need before the final. a) freedom b) belonging c) transcendence d) physiological

What accessory olfactory system is thought to be used to detect pheromones:

a. Major histocompatibility complex. b. Copulins. c. Vomeronasal organ. d. None of the above.