Aresearcher tests four different groups of participants. each group is given a different dosage of caffeine, and reaction time is measured for each subject. which of the following is true?

You are serving on a jury. a plaintiff is suing the city for injuries sustained after falling down an uncovered manhole. in the trial, doctors testified that it will be 5 years before the plaintiff is able to return to work. the jury has already decided in favor of the plaintiff, and has decided to grant the plaintiff an award to cover the following items: a. recovery of 2 years of back-pay ($34,000 for two years ago, and $36,000 for last year, which ends today). assume that it is december 31 and that all salary is received at year end. this recovery should include the time value of money. b. the present value of 5 years of future salary. assume that the plaintiff's salary would increase at a rate of 3 percent per year. c. $100,000 for pain and suffering. d. $20,000 for court costs. assume an interest rate of 7 percent. what should be the size of the settlement?

Apopulation is a group of individuals of a single species existing together in an area. a population’s range, the area it occupies, changes over time. populations, in turn, may form a network, or metapopulation, connected by individuals that move from one group to another. within a population, the distribution of individuals can be random, uniform, or clumped, and the distribution is determined in part by the availability of resources. how might the geographic range of a species change if populations could not exchange individuals with each other? how would your answer depend on what type of metapopulation existed?

Which of the following is true of emotions? (a) a neurologically-intact baby can show at least six distinct emotions at birth. (b) the character of emotions changes as we develop cognitively. (c) basic emotions are culturally- and developmentally-based. (d) in general, adults cannot interpret infant emotions until the infants are 10 to 12 months old.