Identify the variable(s) of interest (the focus) and the population of study. is the first step in Designing a what?
What is the first step of Designing a statistical study.
100
to control the influential factors
What is the confounding factor
100
a sample that is not representative to a population
What is a biased sample
100
these are the two branches of statistics
What is Descriptive and inferential statistics
200
The meaningful calculations of this level of measurement are as follows: Put in a category, put in order, find differences between values, and find ratios of values.
What are the meaningful calculations of Ratio leve
200
an experiment is another term for this
What is a statistical study.
200
randomization
What is another well-designed experiment is randomization
200
the branch of statistics that involves the organization, summarirzation, and display of data
What is descriptive statistics
300
This level of measurement only measures qualitative data.
What is Nominal level
300
A statistical study can usually be categorized as an observational study or an experiment in this
What is an observational study
300
when the subject changes behavior because they know they are participation in an experiment
What is the Hawkthorne effect
300
even with the best best methods of samplings a ___ may occur
What is a sampling error
300
the branch of statistics that involves using a sample to draw conclusions about a population
What is Inferential statistics
400
Qualitative and Quantitative are both choices for this level of measurement.
What is Ordinal level
400
a treatment is applied to this group of people
What is treatment group
400
when a subject reacts favorably to a placebo when in fact the subject has been given fake treatment.
What is the Placebo effect
400
where every member of a population has an equal chance of being selected
What is a random sample
400
the numerical description of a population characteristic
What is a parameter
500
These levels of measurement put data into categories.
What is Nominal, Ordinal, Interval, and Ratio.
500
the subjects in a treatment group or a what
What is experimental units
500
this is used to help control the placebo effect
What is blinding
500
where every possible sample of the same size has the sane chance of being selected
What is a simple random sample
500
a numerical description of a sample characteristic