Research indicates that Head Start programs Group of answer choices contribute to dramatic and enduring gains in the participants' intelligence test scores. improve analytical intelligence but not practical intelligence. generally are not cost effective in improving student achievement. reduce the likelihood that participants will repeat grades or require special education. yield the greatest benefits for participants coming from intellectually stimulating home environments.

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group. no, this does not need to be reported since it is unrelated to participation in the study. no, this does not need to be reported because two weeks have passed. no, this does not need to be reported since the subject recovered.

Apex q: arturo wants to increase his political participation beyond voting in elections. which action would accomplish this? answers: a. paying taxes b. starting a community cleanup program c. getting a public library card d. canvassing for a political candidate

Karin bought illegal firearms at a gun show. at her trial, she alleged that she had committed this crime because her boyfriend had threatened to harm her and her two daughters if she did not. her lawyer asked the judge to instruct the jury that the prosecution had an obligation to prove beyond a reasonable doubt that karin had acted freely. instead, the judge told the jury that karin had the burden of proving duress by a preponderance of the evidence. who is correct?