(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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We need to do this to reduce the effects of identifiable attributes of the subjects that may affect their responses but cannot be controlled.
Block
When subgroups of the experimental units differ in ways that may affect their responses to treatments, it is a good idea to gather them together into these.
Blocking
The process, intervention, or other controlled circumstance applied to randomly assigned experimental units.
Treatment
When the subjects are randomly assigned to treatments only within blocks.
Randomized block design
The experimental units assigned to a baseline treatment level, typically either the default treatment, which is well understood, or a null, placebo treatment.
Control group
All experimental units have an equal chance of receiving any treatment.
Completely randomized design
A study based on data in which no manipulation of factors has been employed.
Observational study
This manipulates factor levels to create treatments, randomly assigns subjects to these treatment levels, and then compares the responses of the subject groups across treatment levels.
Experiment
What we need to do to subjects for the treatments to even out effects that we cannot control.
Randomize
What we need to do to aspects of the experiment that we know may have an effect on the response, but that are not the factors being studied
Control
The tendency of many human subjects to show a response even when administered a placebo.
Placebo effect
An observational study in which subjects are followed to observe future outcomes.
Prospective study
To be valid, an experiment must assign experimental units to treatment groups at random.
Random assignment
A treatment known to have no effect, administered to one group so that all groups experience the same conditions.
Placebo
Observational or experimental units are paired up so that both units in a pair have common characteristics that could affect the response variable.
Matched pairs design
A variable whose values are compared across different treatments.
Response variable
The individual people, animals, or objects on which measurements are made in an observational study.
Observational units
When human subjects are blinded to the treatments they’re receiving.
Single-blind
The specific values that the experimenter chooses for a factor
Level
When the subjects and other parties are also blinded to the treatments (e.g., people administering the treatments or people making subjective evaluations of the response)
Double-blind
Individuals on whom an experiment is performed.
Experimental units
A variable whose levels are manipulated by the experimenter.
Factor
Any individual associated with an experiment who is not aware of how subjects have been allocated to treatment groups is said to be blinded.
Blinding
An observational study in which subjects are selected and then their previous conditions or behaviors are determined.
Retrospective study
An experiment should be repeated over as many subjects as possible.
Replicate
When the levels of one factor are associated with the levels of another factor in such a way that their effects cannot be separated.
Confounding
When an observed difference is too large for us to believe that it is likely to have occurred by chance.
Statistically significant
