I think it's D. OJEHEHWHEJJEJJF
Answer:D
Explanation:I read about this and it said that
Which statement best describes the circadian rhythm? In a 24-hour period of time, we spend a period of time awake and a period of time asleep.
"<span>For a time, geopolitical events and natural disasters had strong short-term effects on oil prices, such as </span>North Korean missile tests, <span>the </span>2006 conflict between Israel and Lebanon, <span>worries over </span>Iranian nuclear plans in 2006, Hurricane Katrina, <span>and various other factors.</span><span> By 2008, such pressures appeared to have an insignificant impact on oil prices given the onset of the </span>global recession.<span> The recession caused demand for energy to shrink in late 2008, with oil prices collapsing from the July 2008 high of $147 to a December 2008 low of $32.</span><span> Oil prices stabilized by August 2009 and generally remained in a broad trading range between $70 and $120 through November 2014,</span><span> before returning to 2003 pre-crisis levels by early 2016."</span>
Answer:
This procedure is know as:
D. known-groups paradigm.
Explanation:
Dr. Sheffield already knows the traits of each of the two groups - the gamblers and the alcoholics. What he is doing is establishing the validity of his measure by applying it to a group that has a certain trait - the gamblers - and to a group that does not have a certain trait - the alcoholics. This procedure is an example of known-groups paradigm. It is important to note that this type of procedure can also be applied to two groups that do possess the same trait, but with the purpose to verify which one will score higher on it.