Types of Bias
What is Question-Wording Bias?
Changing the wording of a question to change the results of the survey
What is a Simple Random Sample?
Taking a sample where everyone has an equal chance of being selected
What is the Placebo Effect?
It’s not a real treatment but can cause chemical changes in the brain
What is an Observational Study?
The study observes people and what they want to know but is not changing any variables
What is the Definition of Population?
The entire group that can be sampled
What is Self-Report Bias?
People choosing to answer and lying to change the results of the question
What is a Judgement Sample?
It is Bias and the sample is taken by the researcher’s own judgment
What is an Experiment?
It is a procedure to research some data and to test a hypothesis
What is a Single-Blind Study?
A single Blind study is when the participant doesn’t know what treatment they are receiving.
What is the Definition of a Sample?
A part of the population who have been selected
What is Non-Report Bias?
People selected randomly to be in the survey don’t answer
What is a Convenience Sample?
A way to biasedly sample a population based on being convenient to the researcher
What is an Experimental Unit?
To what the treatment is applied to
What is a Retrospective Study?
It’s a study where they examine their information from the past or in the future.
Define what a Response Variable is
The outcome that is used as evidence to show the effect of the treatment
What is Volunteer Bias?
People who choose to answer the questions which can change the data collected
What is a Cluster Random Sample?
A way to take a sample of a population based on where they are located and is unbiased
What is a Stratified Random Sample?
What is a Treatment in an Experiment?
The treatment is the variable that is being added to the experimental group
What is a Prospective Study?
A group of participants where their future information is going to be examined and evaluated
Define what an Explanatory Variable is
A variable that can change another variable
What is Convenience Bias?
It is when collecting a sample of the first people you see or are near which can change the data.
What is a Stratified Random Sample?
It is choosing a sample of a population-based on similar characteristics.
What is a Confounding Variable?
Variables that will affect the outcome of the experiment or the data
What is a Double-Blind Study?
A Double-Blind Study is where the researcher and participant don’t know what treatment they are receiving.
What is an Inference?
Drawing conclusions of the population based on the data