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Terms in this set (28)

Match each scenario on the left with an option on the right that best describes it. Each answer option may be used once, more than once, or not at all. You may need to scroll down slightly to find the answer options listed on the right. See paper #4
___________ Twenty truck drivers answered a flier to test drive the latest model of a truck and provided feedback.

___________ What is the mean weight at birth of newborns in the US? A sample of 500 newborns was selected by randomly choosing ten newborns among all the newborns born in each of the 50 states.

__________ What is the mean weight at birth of newborns in the US? A sample of 500 newborns was selected as follows. First, ten states were randomly selected. Next, five hospitals were randomly selected in each of those ten states. Finally, ten newborns were randomly selected in each of those hospitals.

__________ Two drugs were recently developed to increase blood pressure. Twenty patients with low blood pressure participated in a study aimed at comparing the efficiency of both drugs. The participants were first divided in two age groups (20 to 40 and older than 40). Half the participants in each age group were assigned at random to take one of the drugs for a month, whereas the other half took the other drug also for a month.

_________ A group of 20 truck drivers were asked to test drive the latest models of two trucks. Each of the 20 drivers drove one of the truck models for an hour. After a two hour break the drivers were asked to drive the other truck model also for an hour. All 20 drivers provided numerical feedback to several questions pertaining to both truck models.

________ A sign was posted at pediatrician offices across the US inviting parents/guardians of newborn children to participate in a research study.

_________ Two drugs were recently developed to increase blood pressure. Twenty patients with low blood pressure were randomly selected to participate in a study aimed at comparing the efficiency of both drugs.

___________ Two drugs were recently developed to increase blood pressure. Twenty patients with low blood pressure participated in a study aimed at comparing the efficiency of both drugs. Ten participants were randomly assigned to take one of the drugs for a month. The other ten participants took the other drug also for a month.