Survey Experiment Observation Study

To test the effects of breakfast on grades I ask my students if they ate breakfast and then compare the breakfast eaters grades to the non-breakfast eaters. This is an example of:

• Observational study

• Experiment

Determining if students using a calculator on a math final exam score better than students who do not use a calculator 

• Cenus

• Sample Survey

• Experiment

• Observational Study

A random selection of people are called every morning for a week to determine if television shows are too violent. 

• Census

• Sample Survey

• Experiment

• Observational Study

To test the effects of breakfast on grades I ask my students if they ate breakfast and then compare the breakfast eaters grades to the non-breakfast eaters.
This is an example of:

• Observational study

• Experiment

• Neither

• Both observational study and experiment

In an ________________, a researcher observes and measures characteristics of interest of part of the population but does not change existing conditions.

• Experiment

• Observational Study

Individuals are monitored for measures of variables of interest but not influenced in response.

• Observational Study

• Experiment

• Voluntary Response

• Single-Blind

A quantity calculated from the observations in a SAMPLE.

• Parameter

• Study

• Statistic

• Observation

A(n) ____________________ is a method of data collection that involves asking questions to a sample of individuals from a population.

• survey

• experiment

• observation

• interview

A(n) ____________________ involves manipulating one or more variables to determine their effect on a dependent variable.

• survey

• observation

• experiment

• case study

A researcher wants to determine the average time high school students spend on homework each night. Which method would be most appropriate?

• Experiment

• Sample survey

• Observational study

• Secondary data analysis