Does sleep deprivation cause us to become more or less aggressive? To test this question, a psychologist randomly assigns volunteer participants to sleep-deprivation periods of 0 or 24 hours. After this period of sleep deprivation, participants are tested for aggressive behavior in a controlled social situation (number of aggressive behaviors demonstrated by the participant during the 30-minute test period). The data are as follows: 0 hours deprived 3 1 1 4 4 2 3 2 24 hours deprived 3 2 5 5 6 2 1 4 6 Open up a blank SPSS spreadsheet, and enter ID numbers for 18 participants (i.e., 1-18) and then enter the data. Be sure to enter your data in only two columns, one as the independent variable sleep deprivation condition group value (i.e., 1, or 2 ) and the second being the dependent variable of aggressive behaviors (0-10). Each row is a participant. You should have 18 participants total, 9 in each condition. What are the mean numbers of aggressive behaviors that were demonstrated among each of the three sleep deprivation conditions? 0 hours: _______________ 24 hours: _______________ What are your degrees of freedom (df), your t test value (t) and your p-value (sig 2- tailed)? df: _________________ t =__________________ p = ________________ What do you conclude regarding the null hypothesis assuming we had chosen an alpha level of .05? (i.e., will your reject or fail to reject/retain the null?)