Pros: emergency use, able to use calculator, notes, internet, etc.., and for socializing with people (can be both good and bad)
Cons: distractions, lost/stolen, could be used in a way to bully ppl buy recording or taking pics and posting them on social media
Answer:
Observational study
Explanation:
An observational study is a type of study in which individuals are observed and certain measures are measured but there's no intend to affect the actual outcome. In other words, no treatment is given to the individuals and there's no intervention done by the researcher.
In this example, the study aims to evaluate the percent of adults whose right cerebral hemisphere is larger than the right hemisphere. 20 people come and have their brains scanned. Then, the scan is analyzed to identify which hemisphere is larger.
In this study, we can see how <u>individual's brains were observed and some measures were taken but there was no treatment given to them</u> (the researchers were only interested in knowing which hemisphere was bigger).
Thus, this is an example of observational study.
By not specifying if it is am or pm
B because when alternatives are cheaper and the consumer has little money, that matters more than the actual price of the good or service (A). C is wrong because we don’t know the price of the item and the income doesn’t matter. D is wrong because if you have limited money, your personal preferences will matter less.
