Selective incapacitation is one example and is based on the notion of a person's likeliness to be a career offender. All boiled down it is the long term imprisonment of career criminals. Three strikes laws could also be put into this group as punishments increase if a person commits a certain crime three or more times. In some instances simple felonies could result in lengthy prison sentences. Once again this uses the concept of the person's likelihood to reoffend over and over.
By trying out policies that might later affect the entire nation
I'm not exactly sure what kind of answer your looking for, but if your asking about decisions made based on scientific evidence. The reason statements are based on "Knowledge at the time" is because later evidence or findings might cancel out the current decision. scientific answers are based on the exploration of theories, and until all theories can be exhausted, there cannot be a single answer to the given question.
Theories
The teacher might teach based on only one theory, but it is not certain that the students would all learn according to that theory. One wide-ranging theory might help a teacher become grounded. However, the more teaching a person does, the more he or she sees that there are learners who need something that is not included in theories. Almost all teachers have to tweak theories and add ideas and practices in order to meet the needs of their students.
A theory of a galaxy is that the galaxies might expand forever.
Zecharia Sitchin is a Azerbaijani born author who is best known for his books on human origins based on ancient astronauts. He wrote about his theories on the existing planets and planets that he believed might have existed.
Social process theories suggest that crime prevention programs should work to enhance self-control and to build prosocial bonds. Such as JUMP places at risk youth in a one on one relationship with favorable role models.
That he believed in some theories that might be fake
by interviewing the witnesses
Self-determination theory suggests Juan may be motivated by autonomy, competence, and relatedness needs. Achievement goal theory emphasizes how Juan's goal orientation, such as mastery and performance goals, can affect his motivation. Expectancy theory focuses on how Juan's beliefs about effort-performance link and outcomes can influence his motivation levels.
With oil
the number of hair cells that are stimulated