Gretchen earned $500 from her summer job. she made a list of things that she wants to do with the money she earned. she thought of spending $100 to buy a guitar amplifier, enrolling in a ballet class for $200, buying new clothes worth $100, and giving her mom a silver necklace worth $100. when she went to buy the amplifier, she found it cost around $150. she knew that she couldn’t change the fee for the dance classes. so she had to adjust the budget for her clothes or her mom’s gift. in the end, she decided she would buy one pair of jeans instead of the two pairs of jeans she had planned.

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.        

now you can mark brain hope this

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.

the last day of school because i didn’t have to go to school the next day