In the United States who has the highest rates of automobile accidents, injuries, and fatalities of any age group?

The difference threshold is the ________

a. ability of different species to detect varying aspects of electromagnetic waves, from radio waves to cosmic waves. b. smallest difference in stimulation that can be detected by an observer when two stimuli are compared. c. difference in absolute thresholds between individuals with normal sensory abilities and those who have limitations in one or more senses. d. difference between anatomical codes and functional codes when determining how individuals are able to experience so many different kinds of sensations.

Sarah's parents are trying to use operant conditioning to toilet train her. Sarah is awarded three M&M candies every time she successfully uses the bathroom

For this technique to work most effectively, Sarah's parents should reinforce the desired behavior __________ a) immediately after each successful occasion. b) after a short delay. c) within thirty minutes of Sarah's using the bathroom. d) when Sarah requests the candy.