A sample in which every member of a population has an equal chance of being selected.
What is random sample
100
This occurs when an experimenter cannot tell the difference between the effects of different factors on the variable
What is Confounding Variable
100
A study in which the researcher does not influence the responses.
What is Observational Study
100
The use of mathematical or physical model to reproduce the conditions of a situation or process.
What is stimulation
100
A subgroup or subset of the population
What is sample
200
A sample that has members from each segment of a population.
What is Stratified Sample
200
A technique used to help control or minimize the placebo effect
What is Blinding
200
A researcher deliberately applies a treatment before observing the responses
What is experiment
200
this occurs when a subject reacts favorably to a placebo hen in fact they are given a fake treatment
What is placebo effect
200
Measurement of the attributes can be ranked in any order.
What is ordinal level of measurement
300
A sample with the population falling into naturally occuring subgroups, each having similar characteristics.
What is Cluster Sample
300
In this experiment, neither the experimenter nor the subjects know if the subjects are receiving a treatment of a placebo.
What is Double-blind experiment
300
A treatment applied to a part of a population
What is treatment group
300
The number of subjects in a study
What is Sample Size
300
Any numerical measurement of a population. Another definition is “ Any summary number, like an average or percentage that describes the entire Population
What is parameter
400
A sample in which each member of the population is assigned a number
What is Systemic sample
400
A process of randomly assigning subject to different treatment groups.
What is Randomization
400
A group in which no treatment is applied
What is Control group
400
Subjects are assigned to different treatment groups through random selection.
What is Completely randomized design
400
Quantitative data that can be measured. It has an infinite number of possible values within a selected range, e.g. Temperature range
What is continuous data
500
a sample that consists only member of the population that are easy to get.
What is convenience sample
500
The repeating of an experiment under the same or similar conditions
What is Replication
500
The name of the subjects in the treatment and control groups
What is Experimental Units
500
an investigation of one or more characteristics of a population
What is Survey
500
Data that categorizes/characterizes but does not measure