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Data
Sampling
Experiments
Bias
Miscellaneous
100
A complete enumerations of an entire population
What is a census
100
When each subject has an equal chance of being selected
What is S.R.S or Simple Random Sample
100
Method used to choose sample
What is design
100
Anything that keeps you from reaching the true parameter
What is bias
100
When a treatment in imposed
What is an experiment
200
Entire group of individuals we want information about
What is the population
200
Choosing individuals easiest to reach
What is convenience sampling
200
Individuals on which an experiment is done
What is experimental units
200
When a group is left out
What is undercoverage
200
a treatment is NOT imposed; measures variables of interest but does not attempt to influence the responses.
What is observational study
300
Data that is made up of numbers
What is quantitative data
300
A professor divides her classes by gender, then randomly selects a student from each gender group.
What is stratified random sample
300
A dummmy treatment that has no physical affect
What is placebo
300
Individuals choose not to respond or cannot be reached
What is non-response
300
When the experimental units are human
What is a subject
400
Data that is made up of catergories or words
What is categorical data
400
Someone who chooses to respond to a survey because they feel strongly about it.
What is voluntary response sample
400
The group who recieves the placebo
What is control group
400
When a question is worded to get a certain response
What is wording bias
400
the explanatory variable used in an experiment
What is a factor
500
Arranging experimental units in groups that are similar to one another, because you believe the treatment will effect those groups differently.
What is blocking or block design
500
An unmonitered variable that causes confounding
What is lurking variable
500
Each subject recieves both treatmenst in a random order; reduces variation
What is matched pairs design
500
When two variables effects on a response variable cannot be distingushed from echother
What is confounding
500
When neither the subject nor the investigator knows which subject gets which treatment or placebo.
What is double blind experiment