Experimental Study
Survey Study
Correlational Study
Single Subject Study
Causal-Comparative Study
Students retained in elementary school have higher high school dropout rates than students not held back
Praising middle level students will lead to higher quiz grades in math
Students in Ms. Cranky's kindergarten class with higher attendance rates also have higher self esteem
Attitudes of students toward group work in class
Using raffle tickets to encourage participation from autistic 10-year-old
