Statistical Studies

A researcher randomly assigned students to two groups. One group was assigned to watch a violent television program while the other group watched a nonviolent program. The student's behavior was then recorded for incidences of aggressive behavior. Which research method is most appropriate?

• experimental

• survey

• observational study

Jane Goodall lived among wild chimpanzees intermittently for decades, studying their social and family systems while keeping her interaction with the chimpanzees to a minimum. Which research method is most appropriate?

• survey

• experiment

• observational study

Ghala wanted to know what the most popular book was in the whole school, so she asked 100 students in each grade what their favorite book was. Which research method is most appropriate?

• Survey

• Experiment

• Observational Study

Tags

CCSS.HSS.IC.B.3

A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seat belt.

Which research method is most appropriate?

• Observational Study

• Experiment

• Survey

Tags

CCSS.HSS.IC.B.3

Four groups of randomly selected people are assigned a different diet. After six months, the blood pressures of each group are compared.

Which research method is most appropriate?

• Observational Study

• Experiment

• Sample Survey

Tags

CCSS.HSS.IC.B.3

Dr. Larson was interested in whether classical music helps students perform better on a test. Dr. Larson randomly assigned half of the study's participants to a group that listened to classical music while taking a test. The other half of the participants did not listen to music while taking a test. Which research method is most appropriate?

• sample survey

• experiment

• observational study

Tags

CCSS.HSS.IC.B.3

A __________ is an entire set of items from which data are collected.

• sample

• population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A ____________ is a selection from a population.

• sample

• population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A survey company was trying to see if people in a state thought the pollution was too high. Which choice BEST represents the population to be surveyed?

• A selection of people from each neighborhood in the state.

• A selection of people who live in small towns.

• Every person in the state.

• A selection of people who live in dirty neighborhoods.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

For your stats project you randomly choose 100 people and ask how many hours a week they exercise and how healthy they are.

• Survey

• Observational Study

• Experiment

Tags

CCSS.HSS.IC.B.3