Ascientist has completed several trials to see how a new drug affects adults. which step will best assess the validity of his experimental design and results? conducting more trials for the experiment asking another scientist to replicate the experiment changing the variables to determine how the drug affects children conducting research to determine whether the experiment has been conducted before

B) Asking another scientist to replicate the experiment ( I finished taking that quiz)

1. the details that would clarify the authors purpose for writing would be after the "haley collected used soccer jersey and sent them to guatemalan children." part, he would say, "and you can also donate today to save ". so far in the text, you can see no such thing. if, near the end the author persuades you to donate to guatemalans, then you know that the author's reason to write is to persuade you.

2. what details would make the text more engaging is to see the guatemalan children's reaction to getting free jerseys.

3. the details that convey the author's attitude would be an opinion by the author, for example, if he said, "haley was a very nice girl " or, you can find the attitude by finding parts of haley's personality that he highlights. you can strengthen your tones by using more descriptive words, and simplify long sentences as much as you can.

you're welcome ; p