Match each research method with its corresponding example. drag each item on the left to its matching item on the right. observationcorrelational studyself-report surveyexperimenta social psychologist spends the afternoon at the mall and unobtrusively records how teenagers act in groups. a health psychologist randomly assigns people to meditate in the morning, at night, or not at all. after eight weeks, people rate their overall moods. a cognitive psychologist sends out a questionnaire to all incoming students to determine their computer skills. a positive psychologist measures the relationship between spirituality and happiness.

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.

this is an outline for the decisions that frankie is going to make

opportunity cost

willingness to buy

price or quality

of course, there could be many economic strategies that should be considered important while making decision. opportunity cost is the foremost significant factor while considering any economic option. when you buy something, you should know how much you are forgoing for this product. indeed, you could buy something different with this measure if you changed your mind. willingness to buy shows how much surplus you are earning while making a decision. it is important because it shows you buy what you want or you buy because you have only limited amount of money. the price or quality can be considered as a general economic option that we are applying while buying something. when you buy something, price or quality could be one of the options. indeed, they define the characteristics of the product.    

mark brainliest!

i'll just take the points xd

answer; dr.black,who allows only certain individuals to mate;