Didcot Girls' School Centre No. 62425

Name ……………………...……… Candidate No …….…

Tutor group ………. Class ………. Teacher ……….

Modelling

Level

Criteria for assessment

Marks

 

1

Write about aspects of the workings of a simple spreadsheet or simulation.  

0 1

2

U

2

Use IT-based models or simulations to investigate given options.

Write about the consequences of the different decisions made such as changing the data.

 

3

4

G

3

Use an IT based model or simulation to help make own decisions.

Write about the consequences of more than one change of data.

 

5

6

F

4

Use a computer model or simulation to detect patterns and relationships - relating more than one change made to the output produced.

Understand the rules governing the model such as the action of formulae.

Make simple predictions

 

7

8

E

5

Explore the effects of changing the variables within a computer model or simulation - printouts showing changes with the effects clearly identified and explained.

Make simple predictions about some of the possible effects.

 

9

10

D

6

Use at least two computer models of increasing complexity.

Vary the rules within a model or simulation, such as changing a formula.

Show some assessment of the validity of the model by describing how well it represents the situation by comparing its behaviour with other data.

 

11

12

13

C

7

Design, construct and use own computer model of a situation to meet identified needs (which can be supplied).

Evidence showing development of each stage and printouts including formulae.

 

14

15

16

B

8

Based upon an initial appraisal of the key features of the software, design, construct and use a computer model to represent a situation or process.

Document ease of use, limitations and suitability of software for purpose.

 

17

18

19

20

A

System Design

Analysis Explanation of the task and the relevance to choice of software.  

1

Design A written/diagrammatic representation/plan of the proposed solution.  

1

Implementation Printouts/photographic evidence of the solution.  

1

Testing Evidence that the product has been checked to make sure that it does what was intended.  

1

Evaluation Evidence of how well the solution meets its intentions in terms of its efficiency, ease of use, and appropriateness to the task. Indication of improvements made during development.  

1

Total Mark /25

Spelling, Punctuation & Grammar

5 marks

0

less than reasonable (difficult to understand) + no specialist terms

1

reasonable accuracy + limited range of specialist terms

2 / 3

considerable accuracy + good range of specialist terms

4 / 5

faultless accuracy + wide range of terms & grammatical structure