Page 186 - BUKU SYNOPSIS

participants. This finding is reflected in the students’ self-assessment,

described in section B of this paper.

c) Peer-Assessment Instrument

1) Construct Validity

The PA instrument, like the SA instrument, intends to assist

students in reviewing the text of their peers. The instrument includes four

scales and was created using the analytic scoring rubric. Table displays

the construct validity of item fit of the PA instrument.

Table 25. Item fit of the PA instrument

Item Infit Mnsq Outfit Mnsq Outfit Zstd PtMeas.Corr.
Organization1 .96 .39 -.41 .501
Organization2 1.09 1.26 .78 .60
Organization3 .53 .52 -.99 .73
Organization4 1.01 1.30 .67 .61
Content1 .51 .54 -.88 .72
Content2 1.17 .53 -.90 .66
Content3 .81 .65 -1.06 .71
Content4 1.24 1.45 .92 .48
Content5 .88 .59 -.50 .56
Content6 1.26 1.09 .36 .61
Content7 .91 .98 .01 .66
Content8 .77 1.04 .25 .57
Language Use1 .80 .80 -.74 .70
Language Use2 1.10 1.04 .23 .59
Language Use3 .92 .80 -.45 .67
Language Use4 1.37 1.68 1.83 .64
Language Use5 .70 .62 -1.13 .73
Language Use6 .75 .67 -1.14 .72
Mechanics1 .98 1.02 .18 .63
Mechanics2 1.43 1.39 1.36 .43
Mechanics3 .96 .93 -.11 .68
Text’s Length 2.17 1.97 2.91 .54

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