Scientific and Engineering Practices

Knowledge and Skills Statement

Scientific and engineering practices. The student knows the contributions of scientists and recognizes the importance of scientific research and innovation on society.

The further explanation is designed to be a resource for educators that helps them better understand the topic their students are learning. Further explanations may be written at a more complex level than would be expected for students at the grade level.

While cost-benefit analysis asks whether the economic benefits outweigh the economic costs of a given policy, cost-effectiveness analysis is focused on the question of how much it costs to get a certain amount of output from a policy. Formulas to calculate the two are listed below. 


Cost-benefit = Benefits ($) - Costs ($) (AKA “net benefits”)

OR

Cost-benefit = Benefits ($) / Costs ($) (AKA “benefit ratio”)


Cost-effectiveness = Costs ($) / Outcome

Glossary terms and definitions are consistent across kindergarten through high school in the TEKS Guide. The definitions are intended to give educators a common understanding of the terms regardless of what grade level they teach. Glossary definitions are not intended for use with students.

the quality or state of being correct or precise; the degree to which the result of a measurement, calculation, or specification conforms to the correct value or a standard

the quality of being trusted and believed in

data that supports a hypothesis or an argument and is observable through the senses or technology

a new product; a new way of doing something; a new way of thinking