Solutions Statistics

The following table presents the responses of 10 students to five sensation seeking test items. Resp

Question: The following table presents the responses of 10 students to five sensation seeking test items. Responses of True to these questions are coded as 1 and responses of False are coded as 0.

Students	I1	I2	I3	I4	I5
1	0	1	0	0	1
2	0	0	0	0	0
3	0	1	0	0	0
4	0	1	1	1	1
5	0	0	0	0	0
6	0	1	1	1	1
7	1	1	1	1	1
8	0	1	1	0	1
9	0	1	0	0	0
10	1	1	0	0	1

The table below contains the item statistics for these five items generated by SPSS. Based on this output, are any of the items too easy or too difficult? For this exercise, items that that are answered TRUE by 20% or fewer students are considered too hard and items that are answered TRUE by 80% or more of students are considered too easy.

Item Statistics