Download Assessment of ICT in Schools

Assessment of ICT in
Schools
An investigation
Assessment of ICT



19/10/2004
What sort of
areas have you
seen assessed?
Is it different
with different
teachers?
What’s easy to
assess, what’s
hard?
Dr J L Chatterton
2
Assessment of ICT



19/10/2004
What do you
need to know
about
assessment?
KS3, KS4 or
‘KS5’?
Formative?
Summative?
Record keeping?
Dr J L Chatterton
3
Assessment of ICT




19/10/2004
Pose a question
Think what is
needed to get
an answer
Block it out into
activities
Fit it to a timeline
Dr J L Chatterton
!!
??
$$
&&
Main Idea
Step 1
Step 2
Step 3
4
Assessment of ICT


19/10/2004
How does
assessment
identify
Gifted &
Talented
Pupils
???
What should be
tested?
Dr J L Chatterton
20
34
67
56
76
45
44
33
65
5
Assessment of ICT


19/10/2004
Does test
success vary
with gender?
Can some
assessments
favour
boys/girls?
Dr J L Chatterton
6
Assessment of ICT




19/10/2004
Compare
teacher marked
work
Test marks
Project work
marks
By gender
Dr J L Chatterton
7
Assessment of ICT




19/10/2004
Ask pupils their
preferences
Test or Project
Analyse by
gender (and/or
age)
Is ‘asking’
enough?
Dr J L Chatterton
8
Assessment of ICT




19/10/2004
Analyse your
results
Is just counting
OK?
What about
percentages?
How likely is it
that … ?
Dr J L Chatterton
9
Assessment of ICT




19/10/2004
How big a
sample do I
need?
What is
reasonable?
How can I get
help?
Reliability &
Validity
Dr J L Chatterton
10
Assessment of ICT

Qualitative

Quantitative

Case study
Participant
observation
No control groups
Non-parametric
statistics often
used
Cheaper
Seemingly easy to
set up

Scientific method
Experimental
Controlled
Statistical
Expensive
Difficult to set up
Difficult to control





19/10/2004
Dr J L Chatterton






11
Chi-Squared – ‘goodness of fit’



19/10/2004
More girls prefer
coursework.
Is that a real
difference, or a
chance result?
Have you
thrown 1 ‘six’ or
30 sixes in a
row?
Dr J L Chatterton
12
Rank and Correlation



19/10/2004
relationships between sets of results
Compare rank or scores
If group A goes up does group B
follow?
Dr J L Chatterton
13
Normal Distribution



19/10/2004
Bell-Shaped
Curve
Mean, median
and mode all
have same
value
~ 2/3 are within
1 standard
deviation of the
mean
Dr J L Chatterton
14
The Right Result

Weighting
marklist

T-score (not t-test)
class2

Look-up
Lookup

example2
Conditional formatting
Patterns

Protection
Jane
19/10/2004
Dr J L Chatterton
15