Derrick Zhang
T00571277
EDTE 3110
Triangulation of Assessment Practical Assignment
Acid and Base
Derrick, Kehan, Kelly, Ted
Assessment of Product:
All four students that I worked with were able to identify acids, bases and neutrals
substances based on measures of their pH value. They were able to compare the
coloured pH paper with the standard/example on the handout to identify acids, bases
and neutrals.
Assigning the product allows me to standardize management to the whole class, or
assessing individual students. It also allows students to integrate different skills. On
the other hand, it is never enough to fully understand the need of students if I just
assess them by their product, the process is more important for me to better help them
in the future.
Assessment of Observation:
All four students that I worked with were able to follow the procedure on the handout
to get the result. However, the time they took to finish the lab had a significant
difference.
Boy A, who understood the concept of pH was able to finish the lab at least 10
minutes before the rest of the group members. Girl A, who struggled with the concept
of pH was not able to collect all the results before the start of the next section. So I
learned that students with different knowledge background needed different period of
time to absorb knowledge.
Assessment of Conversation:
Girl B, was struggling to write down her observations on the handout, then I was
trying to offer her my help. I jumped in for helping her after she refused my help for
the second time. I didn’t give a lot of thoughts whether I could make her feeling
embarrassed, or awkward before I helped her, that is something I need to keep
working on in the future. I was able to find out what kept her troubled after we had a
conversation.
Boy B, was able to explain why the pH value of water that we provided was slightly
higher than 7 in our conversation. However, after he had been required to form a
solution of neutral using a solution of acid and a base, he was not able to do it. I
learned that a student might understand the question I asked, but it didn’t mean he or
she knew the whole concept.
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