For example, if a scientist suspects caffeine intake affects behavioral changes in children, he may choose to conduct a(n) study where he randomly assigns children in the study to either a regular, normal-caffeine level diet or a high-caffeine diet group and then studies behavior without knowing which group received which diet.

The high temperature in rockport over the weekend was 55(1/4) °f. write this temperature value as a decimal number with two decimal places. the decimal form of °f is

Select the correct answer from each drop-down menu anne has a endocrine system disease. choose the correct way to complete each sentence

You are assessing an 86-year-old postoperative patient who has an unexpressive, stoic demeanor. when you enter the room, the patient is curled into the fetal position and your assessment reveals that his vital signs are elevated and he is diaphoretic. you ask the patient what his pain level is on a 0-to-10 scale that you explained to the patient prior to surgery. the patient indicates a pain level of “three or so.” you review your pain-management orders and find that all medications are ordered prn. how would you treat this patient's pain?