Students who were rated as high on fitness knowledge were theorized to perform well on a new test designed to measure fitness knowledge when compared to students rated as low in fitness knowledge, the group rated high in fitness knowledge scored better on the examination. For what type of validity does this experiment offer evidence?

Plss me i need hrelp i will give you 12 pionts. a student is writing a blog claiming that school uniforms are a good idea. which sentence provides evidence to support this claim? a: many students are against wearing school uniforms because they think they will look silly. b: a recent study found that students who wear uniforms are more focused during class. c: a recent poll found that only ten percent of teachers are in favor of school uniforms. d: many parents worry that school uniforms will be more expensive than regular clothing.