It is not possible for observational studies to demonstrate this
Variable measured as a result of the experiment
Fake treatment
Study in which historical data is collected
Like blocking in an experiment-only this is for an observational study
The difference between treatments is unlikely to occur by random chance alone
When levels of one factor are entangled with levels of another factor
Specific values that the experimenter chooses for a factor
The 3 principles of experimental design include: Control, Randomize, & ______.
Sample____try to estimate population parameters
Requires random assignment of subjects to treatments
In an experiment we must do this to sources of variation other than the factors
Drawing of our experimental procedure that emphasizes randomization
Down
The simplest of experimental designs
The combination of levels from all factors that an experimental unit recieves
Human experimental units
Experimental design in which experimental units are arranged into groups similar to one another
Any individual associated with the experiment who is not aware of how the subjects have been allocated to treatment groups
Explanatory variable in an experiment
Subjects, treatment administrators, & technicians do this to the results.
Study in which data is collected as it unfolds
Study in which researchers do no assign choices
Allows us to equalize the effects of unknown sources of variation
When both groups-evaluators & influences- are not aware of how treatments have been allocated
Judges, treating physicians, ect. do this to the results
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It looks weird when printed.
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When you hit the 'Arrange' button, our algorithm will try to arrange all your words on the grid, and will move words around to try to fit the most words.
This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
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