IA moderation

I am now well into moderating my IA samples of labs and would like to share some of my experiences. In total I have 108 students to work through which I guess approximates to a minimum of 216 labs. As I mark I am constantly referring to the  guidelines from the published Biology guide found on the OCC website. I have also been reminded that I am moderating and not marking and I should try and go with the teacher where ...

The 4PSOW

By Wednesday, January 26, 2011 , 0

Within the next month Grade 12 biology teachers will have to complete the 4PSOW and submit a copy with each designated set of student IA lab reports to the IB. So after serializing the Internal assessment criteria it seems a natural progression to complete the process with a simple list of do's and dont's. To help the moderator please: Give a detailed breakdown of how the marks were awarded on the lab reports, this includes annotating with C, P, N for each criteria. ...

IA Conclusion and Evaluation

C & E, the final criteria... (except for manipulation skills and personal skills - assessed in G4 only) Again I would like to stress that the summary is taken from subject reports, moderated comments etc and I strongly suggest that you venture to the OCC website and read them for yourself. The conclusion and Evaluation can suffer from what some perceive to be double marking. Its inevitable that poorly focussed questions will most likely lead to an ineffective and superficial conclusion through ...

IA DCP aspects 2 and 3

I would now like to focus on what is required for DCP aspects 2 and 3 from the comments I have collated from the OCC website including subject reports and moderated material. When processing raw data it is important that a sample calculation is included in the report unless a student carries out the T-test or standard deviation for which programs exist on such things as excel or a scientific calculator such as the Ti83/84. For such examples as these students ...

IA DCP Aspect 1

Following on from my last blog I would now like to focus on Data Collection and Processing, aspect 1. When collecting data it is understood by moderators that it can be difficult to collect sufficient data (including repeats) within ones own experiment. To that end students are allowed to use class data given the proviso that: The student clearly presents their OWN data or alternatively clearly identifies that which is pooled. The student MUST plan and produce their own data table. ...

IA Design

Following on from the previous blog I would like to focus on the Design criteria of internal assessment. I often feel that students fail to appreciate scientific methodology as a process whereby once a conclusion is drawn from data collected, others revisit the experiment to test and verify the claims. Therefore it is essential that the experiment is written in such a way that it can be accurately repeated. I show the video below at the beginning of the year. zcavPAFiG14 REseaRCh QueSTioN Students ...

Assessment in DP Biology #1

Errors and uncertainties Though biological systems are complex and difficult to control, students need to demonstrate an understanding of error that is present within the experiments they conduct. Error is directly assessed within DCP aspects 1 and 3 together with CE aspects 1 and 2 Within the design (D) of the experiment students need to explain how they will attempt to control potential error within their methodology Within the data collection and processing (DCP) students are required to state the degree of accuracy of ...