Kevin wants to purchase a new snowboard for winter it costs $300 it is now september he gets paid every two weeks after he pays his bills he has about $100 left over. write a goal for him

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

colony: virginia

1: 1607,john smith

2: british were looking for gold and land

3: near oceans and theres forests

4: fishing? ithink

5: sometimes