Question

PLEASE HELP! ASAP

A researcher posts a newspaper advertisement offering $10 in exchange for participation in a short study. The researcher accepts the first 10 people who respond to
the advertisement

Which of the following statements is true about the sample?

It is not a valid sample because it is only a short study

It is a valid sample because money is offered to participants

It is a valid sample because the first 10 people were selected to participate

It is not a valid sample because it is not a random sample of the population

Answer 1

I think it's A, It is not a valid sample because it is only a short study. Hope this helps!