Police commissioner: Support Last year our city experienced a 15 percent decrease in the rate of violent crime. ββ βββ βββββββββ ββ ββββ ββββ β βββ βββββββββ ββββββββββ βββ βββ ββββββββ βββββ ββββββββ ββββ βββ βββββββ βββββββββ βββββ ββββ ββ βββββββ βββββ ββ βββββ βββββ ββββββ βββββββ ββββ ββββ ββββ βββββ βββ ββββ ββ βββ βββββ ββββ ββββ ββββ ββββ βββ ββ βββ βββ βββββββββ ββββββββββ ββββ
The author concludes that last yearβs 15 percent decrease in the rate of violent crime was caused by the new mandatory sentencing law. This is because the law was passed at the beginning of last year, and no other major policy changes were made last year.
The author assumes that there was no alternate cause of the decreased crime rate. (Even though there were no other major policy changes last year, the crime rate could have decreased for some other reason that wasnβt a policy change, or from a policy change enacted before last year.)
Analysis by Kevin_Lin
Which one of the following, ββ βββββ ββββ βββββββββ βββββββ βββ ββββββ ββββββββββββββ βββββββββ
Studies of many βββββ ββββββ ββββ βββββ β βββββββββββ βββββββ βββββββββ ββββββββ ββββββββββ βββ βββββββββ βββββ ββββββ
Prior to the βββββββββ ββ βββ βββββββββ ββββββββββ ββββ ββββββ ββ βββ ββββ βββ βββ ββββ βββββ βββββββ βββββββ βββββββββ βββββ βββββββββ βββ ββββ βββββββ
Last year, the ββββββ βββββββ βββββ ββββ βββββββββ ββ ββββ β ββββββββ
At the beginning ββ ββββ βββββ βββ ββββββ ββββββββββββ ββββββββββ ββ ββββββββ ββββββ βββ βββββββββ ββ βββββββ β ββββββ βββ ββββββββββ ββββββββββ ββ ββββββββββ
The city enacted β ββββββ β βββββ βββ βββββββββ ββββ βββ βββ ββββββ ββββββββ ββ βββββ ββ ββββ ββ βββ β ββββββββββ ββββββ