[Xerte] Text Entry Hints
Dave Burnett
d_b_burnett at hotmail.com
Tue Nov 24 11:52:35 GMT 2009
No.
Subject: RE: [Xerte] Text Entry Hints
Date: Tue, 24 Nov 2009 11:46:05 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
Reckon the hint should include all the characters the user has
got right so far…?
From:
xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Tuesday, November 24, 2009 11:43 AM
To: Xerte list
Subject: RE: [Xerte] Text Entry Hints
After
actually trying the thing a few times, I'd keep it simple and go
- first letter
- add last letter
- Add some computed % of letters randomly between them.
- Nothing more
Mainly because of the ambiguity of something like
picked their way back into ____ and _____
house and home?
field and garden?
lock and nose?
First letter is crucial.
Subject:
RE: [Xerte] Text Entry Hints
Date: Tue, 24 Nov 2009 11:16:50 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
The problem will be gaining
some agreement on an algorithm, and I’d rather get something working whilst
it’s still the 21st century…
There are some glitches –
because of this line:
newHint += Math.random() <
0.7 ? '_' : ans.substr(i,1);
it is possible that the hint
is empty – or that it shows all of the letters. Neither is desirable, so I need
a better way of picking the letters at random. Perhaps following some rules
like:
-
First hint: letters = Math.floor(wordLength / 4); //i.e. about a
quarter of the word’s letters are shown in the hint
-
Second hint, add another quarter of the letters
-
Third hint – add another quarter of the letters.
-
No more hints – and if you keep typing the hint disappears and
you don’t see it again.
From:
xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Tuesday, November 24, 2009 10:57 AM
To: Xerte list
Subject: RE: [Xerte] Text Entry Hints
Glitch in the eval routine maybe?
In the second entry started to correctly type repair, but got hinted at
"e".
I think it is a much more engaging way to handle it.
AFA the algorithm goes, I'd be tempted to throw it in the lap of a language
development type. I'd figure there is some culturally dependent pattern of word
formation/recognition that might come into play and have a set of rules.
e.g. Show consonants first? Vowels? Final letter?
Seeing this is multi-language, it would also be interesting to see if there
were variations in the above between languages.
Reminds me of the "What do you see?" experiment where they took a
painting of a bull and obscured it with paint spackle.
Very few north americans/europeans could identify it, but as they moved closer
to the Mediterranean, the recognition rate started to rise.
But my favourite experiment is still Stanley Milgram's.
Subject:
RE: [Xerte] Text Entry Hints
Date: Tue, 24 Nov 2009 09:50:47 +0000
From: Julian.Tenney at nottingham.ac.uk
To: xerte at lists.nottingham.ac.uk
You can see what I have so
far at http://www.nottingham.ac.uk/~cczjrt/mediaInteractions/
- it’s on page two.
From:
xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Julian Tenney
Sent: Tuesday, November 24, 2009 9:29 AM
To: Xerte discussion list
Subject: RE: [Xerte] Text Entry Hints
Interesting problem: how to
generate the hints:
For example, the word is
‘interactive’, so generate successive hints like this:
_n___ac__v_
Int__act_v_
Int_ractiv_
Where successive hints become
more helpful, building on previous hints – or do we show a new random hint each
time, i.e.
_nt_ra_ti_e
I_t_r_ct_ve
In__ra__ive
So what are the rules?
-
Need to wait for at least so many characters to be typed – fixed
or related to the length of the word – wait for more characters to be typed
before hinting longer words?
-
Only show so many hints per word – but short words should get
less hints than long words;
-
Only show a new hint once more characters were typed than the
last time we showed a hint – one more? Or several? Is this related to the
length of the word?
-
Build the hint replacing characters in the answer at random with
underscores? Or always add n new helpful characters to the hint? Is n related
to the length of the word?
-
Should the first character always be included in the hint?
Give it a whirl with a few
words of different lengths and you’ll see it isn’t so straightforward…
From:
xerte-bounces at lists.nottingham.ac.uk
[mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: Monday, November 23, 2009 5:24 PM
To: Xerte list
Subject: RE: [Xerte] Text Entry Hints
>The handsets also have a
silly little game you can play standalone that works like that.
Word-with-blanks. You type in a letter and it either fills it in or adds a
strike. 3 strikes, move on.
Hmm, wonder if there's a $1 appstore app hiding in there somewhere?
Do some gaming theory research and see if we can turn it into crack.
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