Plastic surgery body with the only purpose of improving a person’s appearance and/or removing signs of aging. In 2014, nearly 16 million cosmetic procedures were performed in the United States alone. The number of cosmetic procedures performed in the United States has almost doubled since the start of the century. 92% of cosmetic procedures were performed on women in 2014, up from 88% in 2001. Nearly 12 million cosmetic procedures were performed in 2007, with the five most common surgeries being breast augmentation, liposuction, breast reduction, eyelid surgery and abdominoplasty. The American Society for Aesthetic Plastic Surgery looks at the statistics for
Criterion-referenced test what they "should" know, as defined by the state. Both terms "criterion-referenced" and "norm-referenced" were originally coined by Robert Glaser. Unlike a criterion-reference test, a norm-referenced test indicates whether the test-taker did better or worse than other people who took the test. For example, if the criterion is "Students should be able to correctly add two single-digit numbers," then reasonable test questions might look like "formula_1" or "formula_2" A criterion-referenced test would report the student's performance strictly according to whether the individual student correctly answered these questions. A norm-referenced test would report primarily whether this student correctly answered more questions