• Inresponsetomediareportsofviolenceoncollegecampuses,apsychologistwhoworksatalocalcommunitycollegedecidestostudystudentsperceptionsofcampussafety.Hehopestousetheseresultstohelpdevelopanon-campusviolencepreventionprogram.Theadministrationhasaskedhimadditionallytolookatwhetherperceptionsofsafetydifferdependingonstudentsyearinschoolandgender.Thepsychologistadministersaquestionnairewithpossiblescoresrangingfrom1to70,withhigherscoresindicatinghigherperceptionsofsafetyoncampus,andlowerscoresindicatingperceptionsthatthecampusislesssafe.Runatwo-wayANOVAtodeterminewhetheryearinschooland/orgenderhaveaneffectonperceptionsofcampussafety.

Male	Freshmen	Sophomore	Junior	Senior
39 66 54 66 60	44 32 62 59 29	63 67 46 51 41	45 53 68 57 60
Female	51 46 45 57 32	32 21 30 49 53	56 52 60 47 59	61 55 42 58 61

• Write a current APA-style Results section based on your analyses. All homework Results sections must follow the example given in the SPSS tutorials and the Course Content document Writing Results of Statistical Tests in Current APA Format (note: you do not have to refer to a figure). Remember to include a decision about the null hypothesis. For the two-way ANOVA, be sure to include statistical statements concerning the F ratios and p values for both main effects and the interaction, and interpretation statements about all 3 of these effects. (2 pts)

• Based on group means, which class has the lowest perceptions of campus safety, regardless of gender? (2 pts)

• Is there a significant interaction effect? (2 pts)