Dexedrine is made up of 1 amphetamine salt which is dextroamphetamine. Adderall is made up of 4 amphetamine salts, 1 of which is dextroamphetamine which makes up 25% of the Adderall pill. Ritalin usually requires a dosage similar to Adderall and twice that of Dexedrine to be effective. Difference in effect: Adderall is prescribed in approximately twice the dosage of Dexedrine. A 10mg pill of Adderall contains 2.5mg of Dexedrine but has similar effect as 5mg of Dexedrine. Due to the 4 different salts and increased dosage needed, Adderall is more likely to give side effects than Dexedrine.
Norm-Referenced Assessment: A test or other type of assessment designed to provide a measure of performance that is interpretable in terms of an individual's relative standing in some known group. Criterion-Referenced Assessment: A test or other type of assessment designed to provide a measure of performance that is interpretable in terms of a clearly defined and delimited domain of learning tasks.
A criterion-referenced test is many of the one ring that provides for translating test scores into a statement about the behavior to be expected of a person with that score or their relationship to a specified subject matter.or example, if the criterion is Students should be able to correctly add two single-digit numbers, then reasonable test questions might look like   or  . A criterion-referenced test would report the student's performance strictly according to whether the individual student correctly answered these questions.