ChemHLP3may03ans - INTERNATIONAL BACCALAURAT BACHILLERATO c...

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MARKSCHEME May 2003 CHEMISTRY Higher Level Paper 3 15 pages M03/420/H(3)M+ INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL c
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This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorisation of IBCA. – 2 – M03/420/H(3)M+
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General Marking Instructions After marking a sufficient number of scripts to become familiar with the markscheme and candidates’ responses to all or the majority of questions, Assistant Examiners (AEs) will be contacted by their Team Leader (TL) by e-mail or telephone. The purpose of this contact is to discuss the standard of marking, the interpretation of the markscheme and any difficulties with particular questions. It may be necessary to review your initial marking after contacting your TL. DO NOT BEGIN THE FINAL MARKING OF YOUR SCRIPTS IN RED INK UNTIL YOU RECEIVE NOTIFICATION THAT THE MARKSCHEME IS FINALIZED. You will be informed by e-mail, fax or post of modifications to the markscheme and should receive these about one week after the date of the examination. If you have not received them within 10 days you should contact your Team Leader by telephone. Make an allowance for any difference in time zone before calling. AEs WHO DO NOT COMPLY WITH THESE INSTRUCTIONS MAY NOT BE INVITED TO MARK IN FUTURE SESSIONS. You should contact the TL whose name appears on your “Allocation of Schools listing” sheet. Note: Please use a personal courier service when sending sample materials to TLs unless postal services can be guaranteed. Record the costs on your examiner claim form. Chris Guinee Administration Officer Group 4 E-mail: [email protected] Tel: 44 29 20547769 – 3 – M03/420/H(3)M+
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1. Follow the markscheme provided, do not use decimals or fractions and mark in RED . 2. Where a mark is awarded, a tick ( 9 ) should be placed in the text at the precise point where it becomes clear that the candidate deserves the mark. 3. Sometimes, careful consideration is required to decide whether or not to award a mark. In these cases write a brief annotation in the left hand margin to explain your decision. This is useful for moderation and re-marking. 4. Unexplained symbols or personal codes/notations on their own are unacceptable. 5. Record subtotals (where applicable) in the right-hand margin against the part of the answer to which they refer next to the mark allocation. Do not circle subtotals. Circle the total mark for the question in the right-hand margin opposite the last line of the answer. 6. Where an answer to a part question is worth no marks, put a zero in the right-hand margin. 7. For each Option: Add the totals for each question in the Option and write it in the Examiner column on the front cover.
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This note was uploaded on 05/02/2008 for the course CHEM 142,152,16 taught by Professor Unknown during the Spring '08 term at University of Washington.

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ChemHLP3may03ans - INTERNATIONAL BACCALAURAT BACHILLERATO c...

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