7 min read
This week I'm somewhat distracted by an upcoming trip to Bangkok to present at the 2nd Annual Asian Association for Language Assessment Conference. This is the first time I am formally presenting on my study, so I'm quite nervous! Fortunately I was able to squeeze in some time for week 2 of #atc21s.
Here's a quick summary of this week's lesson:
1. What is collaborative problem solving (CPS)? There are existing problem solving models (cited are Polya, 1973, and PISA, 2003/2012), but they do not include the collaborative component. Therefore ATC21S has come up with their own:
- Collect and share information about the collaborator and the task
- Check links and relationships, organise and categorize information
- Rule use: set up procedures and strategies to solve the problem using an “If, then..” process
- Test hypotheses using a “what if” process and check process and solutions
The CPS construct is made up of social skills and cognitive skills.
2. Social skills are participation, perspective taking and social regulation skills. These can be further unpacked:
- Participation: action, interaction and task completion
- Perspective taking: responsiveness and audience awareness
- Social regulation: Metamemory (own knowledge, strengths and weaknesses), transactive memory (those of partners), negotiation and responsibility initiative
There are behavioural indicators associated with each of these elements. (At this point, I was pretty sure that Care and Griffin don't mean to suggest that teachers conduct Rasch analysis themselves, but rather use already developed developmental progressions.)
3. Cognitive skills are task regulation, and knowledge building and learning skills:
- Task regulation: problem analysis, goal-setting, resource management, flexibility and ambiguity management skills, collects information, and systematicity
- Knowledge building and learning: relationships, contingencies and hypothesis Again, each element has associated indicators.
4. We come back to the developmental approach that integrates the work of Rasch, Glaser and Vygotsky. Teachers need a framework that they can use to judge where their students are in their CPS development. There are existing ones (such as the ubiquitous Bloom's), but none are suited to measuring CPS skills. So what we need is a new empirically derived framework that allows teachers to observe students in CPS action and judge where they are.
5. Empirical progressions are explained, and examples such as PISA and TIMMS given. We are then presented with the progression that ATC21S has developed for CPS. The table is too large to reproduce here, but essentially it expands all the elements in 3 and 4 into progressions so that you end up with five scales.
Impressive right? Except I'm not quite sure about the tasks they used to developed this. The example they showed was of two students connected by the internet and chatting by typing, attempting to solve what appears to be more of a puzzle than a problem. That is, the sort of problem teachers cook up to test students' intellectual ability (shades of #Cherylsbirthday?) The 2nd volume of the #atc21s book series actually has a chapter that discusses this in more detail and seems to confirm that they used puzzles of this sort. I understand of course that doing it in this way makes it easier to collect the sort of data they wanted. But given that the tasks aren't very authentic, to what extent are they representative of the target domain? Are there issues of construct validity? I will need to read further, if there is available literature, before I make up my mind. It would be interesting, if not already done, to conduct a qualitative study using more authentic problems, more students per team, observation, artefact collection, (retrospective) interviews, and so on. You won't get the quantity of data as with the #atc21s study but this sort of rich data could help us check the validity of the framework. It could also be of more practical value to teachers who actually have to teach and assess this without fancy software and a team of assistants.
I won't deny that I'm rather disappointed that Rasch measurement is really 'behind the scenes' here, though I'm not surprised. I can't help but wonder if it's really necessary to make Rasch appear so central in this course, especially since some of my classmates seem to misunderstand its nature. This is not surprising -- Rasch is not the sort of thing you can 'touch and go' with. There is some confusion about criterion referencing too (IMO it's hard to make sense of it without comparing it to norm referencing and explaining how they are used in assessment usually). ZPD is faring a little better, probably since it's familiar to most teachers. I am however surprised to see it occasionally referred to rather off-handedly, as if it's something that's easy to identify.
Would it make more sense to focus more on the practicalities of using an established developmental progression? It's too early to say I guess, but already quite a few of my classmates are questioning the practicality of monitoring the progress of large classes. This is where everyday ICT-enabled assessment strategies can come into play. I also hope to see more on how to make assessments really formative. I learnt from the quiz this week (if it was mentioned elsewhere I must have missed it) that assessments that are designed to measure developmental progression are meant to be both formative and summative. Okay, great, but IMO it's all too easy to miss the formative part completely without even realising it -- remember that an assessment is only formative if there's a feedback loop. The distinction between the two uses cannot be taken lightly, and there really is no point harping on development and ZPD and learning if we ignore how assessment actually works to make progress happen.
Which brings me to the assessment on this course. If you're happy with the quizzes so far you might want to stop reading here.
Diligent classmates may have noticed from my posts that I REALLY do not like the quizzes. Initially it was the first so-called self assessment that I took issue with. Briefly, its design made it unfit for purpose, at least as far as I'm concerned. After doing another 'self-assessment' for week 2 and the actual week 2 quiz, I'm ever more convinced that the basic MCQ model is terrible for assessing something so complex. It's quite ironic that a course on teaching and assessing 21C skills should utilise assessments that are assuredly not 21C. Putting what could be a paper MCQ quiz online is classic 'old wine in new bottle', and really we cannot assess 21C skills with 19C or 20C ways. I have written (to explain my own study) that:
... digital literacies cannot be adequately assessed if the assessment does not reflect the nature of learning in the digital age. An assessment that fails to fully capture the complexity of a construct runs the risk of construct under-representation; that is, being ‘too narrow and [failing] to include important dimensions or facets of focal constructs’ (Messick, 1996, p. 244).
Surely we cannot claim that the understanding of assessing and learning 21C skills is any less complex than 21C skills themselves? Of my initial findings, I wrote that:
We may be able to draw the conclusion that assessing digital literacies are 21st century literacies twice over, in that both digital literacies and the assessment thereof are new practices that share similar if not identical constituents.
Telling me that the platform can't do it differently is an unsatisfactory answer that frankly underlines the un-21C approach taken by this course. 21C educators don't allow themselves to be locked in by platforms. It seems that the course designers have missed out on a great opportunity to model 21C assessment for us. I'm not saying that it would be easy, mind you. But is it really possible that the same minds who developed an online test of CPS can't create better than the very average xMOOC?
Okay, I should stop here before this becomes an awful rant that makes me the worst student I never had. I am learning, really, even if sometimes the learning isn't what's in the LOs. And I will continue to persevere and maybe even to post my contrary posts despite the threat of being downvoted by annoyed classmates :P