scientists are the toughest critics of other scientists! 

why are so many people so unwilling to recognize the value of  science?
Why so people deny science?

    The Scientific Method

a data set composed of just a few subjects can't control for chance outcomes...

what else...??

groups 1-6
determine the IV and DV for your scenario and write each on the board. What might be some extraneous variables in your scenario that would needed to be controlled? 

   = a testable explanation

you can't cherry pick data...

all data must be reported