During voluntary eye movements (saccades), people briefly lose their ability to detect one aspect of vision. That aspect is _______

An investigator interested in whether males or females have, on the average,

higher scores on tests of quantitative ability would employ (a) experimental research (b) correlational research (c) both experimental research and correlational research (d) neither experimental research nor correlational research

Which of these relationships would be investigated with a correlational

approach? (a) between parents' heights and children's heights (b) between the intensity of electrical shock and how many trials it takes an animal to avoid the place where the shock occurs (c) between the brightness of light and the size of the pupils of the person looking at the light (d) between the level of reward and the time it takes for an animal to learn a maze (e) between the delay of reward and the time it takes for an animal to learn a maze