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Question
Submitted by strength on Mon, 2016-09-19 08:16
due on Tue, 2016-09-20 00:00
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MeasuresAndEvaluation

here are 4 files , the doc file is the one you need to do, rest all 3 pdf are for help.

Answer
Submitted by NII on Tue, 2016-09-20 23:32
teacher rated 94 times
5
price: $17.00

answer

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file1.docx preview (534 words)

HUDE xxx

xxxx xxxx

xxxxxxxxxx: You xxx x psychologist working xx x xxxxx high-school, and the principal xxxxx xx xxxxxx x xxxxxxxxxxxxxx xx 9th xxxxx xxxxxxxx’ xxxxxxx xxxxxxxx xx xxxxx to xxxxxxxx xxxxx xx need xx remedial instruction.

A team xx math teachers constructs the xxxxx xxx pilots it xxxx one xxxxx of students. After xxxxx xxxx xxx xxxxxxxxxx xxx xxxxxxxxx xxxx you to perform xx item analysis, xx xxxxx xx provide xxxxxxxxxxx xxxxx xxx suitability xx xxx xxxxx

xxxxx is item-response xxxx for 10 xxxxxxxxxxxx on x xxxxxxxxxxxxxxxxx items from the test. xxx xx these items xxx xxxxxxxxxxx and each xxx designed to xxx the same ability: xxxxxxxx Additionally, all xx the xxxxx xxxxxxx four xxxxxxxx answer choices.

Your task xx xx compute all relevant xxx xxx IRT xxxxxxxxxx xxxx xx have xxxxxxx xx xxxxxxxx xxxxx particular items. You may use all course xxxxxxxxxx xxx xxx xxxxxxxx programs xxxxxx Excel, xxxxx JMP) xx a xxxx calculator to assist xxxx xxxxx xxxx answers to xxx decimal places.

xxxx—you are the xxxx xxxxxxxxxxxx in this particular school, xx please xx xxxx own work. This xxxxxxxx xx xxxxx a xxxxx of xx xxxxxxx

xxxxx

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Answer
Submitted by NII on Mon, 2016-09-19 09:31
teacher rated 94 times
5
purchased one time
price: $3.00

Answer rating (rated one time)

5

sure, I can take this asignment, and the lab report is posted here as well

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file1.docx preview (794 words)

Title of Report: UV-vis: Determination of xxxxxxxx xx xxxxxxxxxx xxxxxxx Essence

xxxx

xxx objectives of this lab xxxx xx xxxx spectrophotometric instrumentation and a xxxxxxx of the test xxxxxxxx xxxxxxxxxx with uv-visible absorption xxxxxxxx The centralization xx vanillin in xxxxxxx xxxxxxxxxxx will be resolved xxxxxxxx xxxxxxxxxxx xxxxxxxxxx xxxxx xxxxx by xxx xxxxxxxxxxx xx Beer's Law. Vanillin xxx separated from an example xx xxxxxxxxxxxxx vanilla quintessence; xxx xxxxxxxxxxx of alignment gauges xxx prepared xxx used to decide xxx xxxxxx of xxxxxxxx in the example. xxxxxxxxxxxx to fixation through xxxxxx xxx xxx related xx xxx xxx calibration curve. xxxx the xxxxxxx xxxx compared between xxxxxx xxxx xxxxxxxx exactness and xxxxxxxx of x progression xx xxxxxxxxxxxxx

xxxxxxxxxxxx xxxxxxxxxx

1. xxxxxxxxxxx xx xxxxxxxxxx

The xxx μg/mL standard vanillin solution (in xxx x NaOH) was xxxx xx xxxxxxx a xxxxxx of x dilutions spanning the xxxxx x xx x μg/mL, as xxx x NaOH xxx used xx xxx

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file2.docx preview (534 words)

HUDE 225

Take xxxx

xxxxxxxxxxx You are a xxxxxxxxxxxx xxxxxxx xx x local xxxxxxxxxxxx xxx the xxxxxxxxx wants xx create x pre-assessment xx xxx xxxxx xxxxxxxx’ algebra ability, xx order xx identify those in need xx remedial instruction.

A team xx math xxxxxxxx xxxxxxxxxx xxx test, and pilots xx with xxx xxxxx of students. After these data are xxxxxxxxxx the xxxxxxxxx asks you xx perform xx xxxx analysis, xx order xx xxxxxxx information about xxx xxxxxxxxxxx xx xxx xxxxx

Below is item-response xxxx for xx xxxxxxxxxxxx xx x selected-response items xxxx xxx test. xxx of xxxxx items are dichotomous and each xxx xxxxxxxx xx xxx the same ability: algebra. Additionally, xxx of xxx items xxxxxxx four possible xxxxxx xxxxxxxx

Your xxxx is xx compute all relevant xxx xxx xxx statistics xxxx we xxxx xxxxxxx xx xxxxxxxx these xxxxxxxxxx items. You may xxx xxx xxxxxx materials, xxx xxx computer programs (e.g., xxxxxx SPSS, xxxx or a hand xxxxxxxxxx to xxxxxx you. xxxxx xxxx answers to two decimal places.

xxxx—you are the only psychologist xx xxxx xxxxxxxxxx xxxxxxx so xxxxxx xx xxxx own work. This xxxxxxxx xx worth x xxxxx of xx xxxxxxx

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Q (5

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