A researcher gives adolescents a mood questionnaire while arranging for the room to be either brightly or dimly lit. In this study, the light level is the _____ variable

Personal happiness is influenced by having goals and ________

a) the resources to attain those goals b) having those goals always be just out of reach so we continue to improve ourselves c) particularly unrealistic goals so that we can dream of a brighter future d) setting the bar particularly high so that when achieved we feel accomplished

Which of the following describes the pupil?

a. opening through which light enters the eye b. part of the eye that adjusts its shape to view objects at varying distances c. transparent covering at the front of the eye d. part of the eye that contains the photoreceptors e. structure responsible for peripheral vision