Students of different ages were given the same math test. Researchers looked at the number of correct answers on the test.
what is the independent variable

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

What is the difference between a scientific hypotheses and a scientific theory?

What was the impact of the concordat of worms?