michelle is conducting an experiment in which she is evaluating the effects of reward magnitude and reward immediacy on classroom behavior. she has two levels of reward (low and high) and two levels of immediacy (daily and weekly) with four groups: low-daily, low-weekly, high-daily, and high-weekly. michelle's design is best described as

Explain at least three factors economists consider the measurement of success, or shortcomings, of the economy? and give examples.

Which of the following organizations worked primarily for women’s suffrage? nawsa naacp wctu ncl

Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population. the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors. the new research would need full review by a convened irb because children are a protected population. unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.