The Müller-Lyer illusion demonstrates that not all perceptual illusions are only _____, but that _____ can be a factor in susceptibility to certain illusions

Research on factors contributing to building relationships seems to SUPPORT the adage,

a. "similarity breeds contempt.". b. "similarity breeds liking.". c. "similarity builds uncertainty.". d. "similarity builds discrimination.".

Which hormone has been implicated in the decrease of physiological symptoms of stress?

A. NPY B. PYY C. oxytocin D. estrogen

Overall, in developing countries approximately what percentage of children do not attend primary school?

a. 10% b. 25% c. 40% d. 55%

Which of the following helps to explain why preoperational children's thinking keeps them from being able to understand the idea of conservation?

A) They tend to spend too much time on reversibility, or mentally reversing the steps in a problem back to the starting point. B) They tend to focus more on the dynamic transformation of a situation without giving adequate attention to beginning and ending states. C) They have a significant grasp on the idea that appearances can change without changing the fundamental characteristics of the situation. D) Their understanding is characterized by centration in which they focus on one aspect of the situation while ignoring other important features.