Measured Response Experiment Report

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Methods and Results Hypotheses Measured Response Experiment Ho: Light intensity does not affect the rate of movement as measured in 30s of the Acheta domesticus. Ha: Light intensity does affect the rate of movement as measured in 30s of the Acheta domesticus. Choice Experiment Ho: Light intensity has no affect on the site of selection in crickets, Acheta domesticus. Ha: Light intensity does have an effect on the site selection in crickets, Acheta domesticus. Method Measured Response Experiment In this experiment we conducted a measured response experiment with light intensities of 504 Lux, 213 Lux, and 7 Lux. Our control was with 504 Lux as this was daylight intensity. We measured our organism’s rate of movement in 30 seconds having nine replicates for each treatment level, for a total of 27 replicates. We set up our…show more content…
In addition, we constantly checked the temperature inside the bucket to make sure we maintained a constant temperature. Results Measured Response Experiment In this experiment the 95% confidence interval is slightly larger in the darker intensities than in the normal light intensities (control sample). Therefore, the amount of variation is similar. The average rate of movement is clearly greater in darker intensities that in light intensities. The confidence intervals do overlap in this experiment; therefore the smaller light intensities does not have a signficant effect on the movment of Acheta domesticus as measured in 30 seconds. Thus, we fail to reject Ho, indicating that there is insufficent evidence to say that light intensity does affect the rate of movment as measured in 30 seconds of the Acheta domesticus. The age, size, and number of limbs of the crickets may have affected our resluts as this could have slowed or speed up their rate of

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