1 Lab 10 Name__________________________ Date________ Lab Section #____ Recitation #____ Turn in completed handout at end of Recitation for Participation Credit. Incomplete handouts will receive “0” to “partial credit” for participation. Handouts will be returned by next Lab. Keep for your Record. What is the purpose of today’s Lab?Experimental Design: Does the following sample design contain the elements of a good experimental design? What improvements are needed? Group 7 design: Do isopods prefer sodium hypochlorite (bleach) or a dry environment? Method:Select 4 sponges of equal size. Wet 2 sponges with bleach. Put sponges equally around arena. Place an isopod into the center of the arena and record choice after 30 seconds. Repeat with a total of 10 isopods. Calculate chi-square to obtain p-value. Evaluate this method section based on the rubric: Could you replicate this experiment with the information provided? Does your group’s experiment contain the elements of a good experimental design? What is your group testing? ElementsMy Group’s Experimental PlanRefutable hypothesis Well controlled Reproducible Minimization of bias Representative Statistics applicable What safety precautions are needed? Troubleshooting/Backup Plan: Lab 10 Name__________________________ Date________ Lab Section #____ Recitation #____
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