1. Which of the following is NOT one of the three fundamental features of scienc

1. Which of the following is NOT one of the three fundamental features of science?a. empirical questionsb. public knowledgec. mathematical equationsd. systematic empiricism2. A set of beliefs can be said to be pseudoscientific if it lacks one or more of the three features of science and _____.a. its adherents claim or imply that it is scientificb. it has been discredited by scientific researchc. it seems crazyd. it refers to phenomena that cannot be directly observed3. Research questions in psychology can come from which of the following?a. previous researchb. informal observationsc. practical problems to be solvedd. all of the above4. Which of the following is a categorical variable?a. eye colorb. IQc. number of lifetime sexual partnersd. shoe size