Question

Sandra conducted an observational study to learn how relationships with family affect happiness. She surveyed 500 people in her hometown and found that 85% say that positive relationships with family members make them happy. What conclusion can Sandra draw from her study?

Answer 1

Answer:

Sandra can conclude that there may be a link between closeness with family and happiness.

Explanation:

B. Closeness with family is the only factor that contributes to happiness.

it isn't B because that not what you get from the data collected.it says it makes them happy;not that it is their only factor of happiness.

C. Closeness with family results in happiness.

it isn't C because she can't conclude that this is true based on the data she collected because she only surveyed 500 people

D. Happiness results in closeness with family.

it isn't D because just because you are happy doesn't mean that you are close to your family . Also this is not what you get from the data she collected. It says 85% say that positive relationships with family members make them happy.

Answer 2

Answer:

she can only conclude that there may be a link between closeness with family and happiness

Explanation:

From the description, Sandra is conducting an observational study, not particularly an experiment. Since she never really take into account all possible variables that can influence the relationship , all she can do is link family closeness with happiness (but she can really ensure that both of these have causal-effect relationship.