Distress<span> occurs when people experience unpleasant stressors. Distress is extreme anxiety, pain, or sorrow.</span>
<span>Its important not to have fingerprints on the cuvette when using a spectrometer because by using a spectrometer one measures the amount the amount of light that the solution in the cuvette absorbs at a certain wavelength. This tells you how much of the solute is dissolved in the solution. So if you get fingerprints on the cuvette, this could interfere with the light absorption and cause your readings to be incorrect. </span>
The correct answer is <em><u>option A.</u></em> Porter is writing <em><u>social history</u></em> because he is focusing on lives of large numbers of ordinary people. He is examining letters, journal entries, autobiographies and newspapers from that time to see how the fear of the disease affected the lives of ordinary people. Porter is trying to recollect data from that time and put together a piece that describes how society was affected by the influenza pandemic, which was a consequence of World War I, an historic event that shaped and changed many societies, specially the ones from Europe.
Answer: Using random assignment
Explanation:
Random assignment is the mechanisms in which chance procedure is used while experimenting so that assurance about every participant regarding getting assigned certain group is same.In this research , participants are randomly assigned to the group so that each group has similar or equivalent characteristics.
According to the question,Professor Montgomery should use random assignment for her concern .She can randomly assign children to the new teaching method so that level of comprehension can be similar to receive equivalent result.