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Design of a statistical study
Data collection and experimental design
Sampling techniques
Introduction to Statistics
Data Classification
100
What type of study does a researcher not influence the response
What is observational study
100
what is the use of a mathematical or physical model to reproduce the conditions of a situation or process
What is simulation
100
what is a count or measure of an entire population
What is a census
100
When it is important for the sample to have members from each segment of the population.
What is stratified sample?
100
applied only to part of population
What is treatment group
200
In some experiments subjects in the control group are given
what is placebo
200
what is an investigation of one or more characteristics of a population.
What is a survey
200
what is a count or measure of part of a population
What is a sample
200
different groups
What is clusters
200
process of randomly assigning subjects to different treatment groups.
What is randomization
300
In what does a researcher deliberately apply treatment to before observing the response
what is the experiment
300
what occurs when an experimenter cannot tell the difference between the effects of different factors on the variable.
What is the confounding variable
300
a ______ _____ is the difference between the results of a sample and those of the population
What is sample error
300
groups of subjects with similar characteristics.
What is blocks
400
What are the subjects called in the treatment and the control group called
What is experimental group
400
what occurs when a subject reacts favorably to a placebo when in fact the subject has been given a fake treatment
What is the placebo effect
400
a ______ ______ is one which every member of the population has an equal chance of being selected.
What is random sample
400
sample in which each member of the population is assigned a number.
What is systematic sample?
400
divides the subjects with similar characteristics into blocks, and the, within each block
What is randomized block design
500
What part of the population is given no treatment at all.
What is the control group
500
what can be used to control or minimize the placebo effect
What is blinding
500
a ______ ______ ______ is a sample which every possible sample of the same size has the same chance of being selected
What is simple random sample
500
type of sample that often leads to biased studies.
What is convenience sample?
500
every member of the population has an equal chance of being selected
What is a random sample