6. What are confounds? Give an example of a design thathas three confounds. Describe three ways to alter the design toaddress these confounds and explain the advantages anddisadvantages of each. 7. What does “cause” mean and why is it an important conceptin research? How are correlation and causationrelated? 8. You are a researcher interested in addressing thequestion: does smiling cause mood to rise (i.e., become morepositive)? Sketch between-participants, within-participants, andmatched-participants designs that address this question and discussthe advantages and disadvantages of each to yielding data that helpyou answer the question. Describe and discuss each design in 4-5sentences.