Horatio has developed a new test for ADHD. He is trying out his new test on about 500 children, half of whom have already been diagnosed with an established clinical measure. The results of his new test say only 100 of the children have ADHD and the rest do not. In this case, the new test has missed identifying 150 children who really did have ADHD. This example illustrates making a(n) error during hypothesis testing.

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.

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources

Why did jefferson oppose the assumption of the debt