A group of researchers is seeking to test whether journaling about positive experiences makes one happier. To test this, study participants are randomly assigned to one of two groups. In group 1, participants are provided with specific instructions that require journaling twice a day; specifically, about positive experiences one has had, or things that the individual is grateful for. In group 2, participants are not provided with journaling instructions, nor are they encouraged to journal. At the end of the study, participant happiness is assessed. Required:
What type of study design has been implemented in the above example? In light of the study design being used, are there any points of caution or advice that you could provide the researchers?

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!

c. taught scientists many new things about the earth, but not other planets.

explanation:

on these days , humidity is very f.) high

answer; analytical,creative and practical;