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Experiements
Sample
Census
Data Collection
Survey
100
Part of a population where the treatment is applied
What is treatment group
100
a count or measure of a part of the population
What is a sample
100
A count or measure of an entire population.
What is Census
100
Use of mathematical or physical models to reproduce the conditions of a situation or process.
What is simulation
100
an investigation of one or more characteristics of a pop.
What is survey
200
Part of the experiment that receives no treatment
What is control group
200
ensures that inferences that data about the population are valid
What is sampling techniques
200
the most common type of census
What is number of citizens in a country
200
Investigation of one or more characteristics of a population
What is survey
200
the most popular type of survey format
What is internet
300
Fake treatment given to the control group
What is placebo
300
the difference between the results of a sample and those of the population
What is sampling error
300
who carries out the USA's census
What is federal government
300
When people change their behavior because they know they're participating in an experiment.
What is Hawthorne Effect
300
this is the most important thing to be when writing survey questions
What is non biased
400
Subjects in treatment and control groups
What is experimental units
400
every member of an audience has an equal chance of being selected
What is random sample
400
A technique to minimize the placebo effect
What is blinding
500
A researcher observes and measures characteristics of interest of part of a population but does not change existing conditions.
What is observational study
500
a sample in which every possible sample of the same size has the same chance of being selected
What is simple random sample
500
why are censuses only taken occsionally
What is price and difficult to perform
500
Required to improve validity of experimental results
What is replication