coMponEnts of tEchnoloGIcal KnowlEdGE: IndIcators of proGrEssIon lEvEl sEvEn Teachers should establish if students have developed robust level six understandings and are ready to begin working towards level seven achievement
objectives for technological knowledge and plan learning experiences to progress these as guided by the level seven Indicators below. technological Modelling technological products technological systems achIEvEMEnt objEctIvE achIEvEMEnt objEctIvE achIEvEMEnt objEctIvE
Understand how the “should” and “could” decisions
Understand the concepts and processes employed in
in technological modelling rely on an understanding
materials evaluation and the implications of these for
of how evidence can change in value across contexts design, development, maintenance, and disposal of
and how different tools are used to ascertain and
tEachEr GuIdancE tEachEr GuIdancE tEachEr GuIdancE
To support students to develop understanding of
To support students to develop understanding of
technological modelling at level 7, teachers could:
technological products at level 7, teachers could:
• support students to explore how context impacts on
• support students to understand that material
the perception of the validity of evidence presented.
evaluation enables decisions to be made about
Therefore, shifting from one context to another
what material would be optimal to ensure the fitness
can change the status of the evidence provided by
for purpose of particular technological products
• support students to explore a range of subjective
Redundancy relates to the inclusion
• support students to explore how and why dif erent
and objective evaluative procedures used to identify
people and communities accept dif erent types of
the suitability of materials for different uses
evidence as valid. That is, the status given to evidence
• support students to describe the underpinning
is dependent on a range of factors including ethical
concepts and processes related to subjective and
views and the perceived authority of people involved
Reliability relates to the probability
• support students to understand the selection of
• support students to understand how decisions
appropriate material evaluation procedures relies
underpinning technological modelling based
on understanding the composition and structure of
on what should and could happen, rely on an
materials, how their properties can be enhanced
understanding of how evidence gained may differ in
through manipulation or transformation, the
performance criteria required by technological
• support students to understand how technological
products and an understanding of the physical
modelling is used to ascertain and mitigate
and social context within which the technological
risk. Ascertaining risk involves establishing the
probability of identified risks. Mitigation involves
• support students to identify and analyse examples
taking steps to reduce the probability of the risk
of how materials have been evaluated to allow
being realised and/or severity of the risk should it
material selection decisions that maximize
the potential fitness for purpose of particular
• support students to analyse examples of
technological products and to gain insight into
technological modelling to understand how risk
how material evaluation procedures can be used
is ascertained and mitigated within particular
to identify product maintenance and disposal
implications and therefore inform design,
• examples should include the modelling practices of
development and post production care decisions
technologists and should include instances where
• examples should include the material evaluation
modelling was undertaken to mitigate risk. IndIcators IndIcators IndIcators
• discuss examples to illustrate why the status of
• discuss a range of subjective and objective
• explain the concept of redundancy in
evidence gained from technological modelling
the suitability of materials and describe the
• explain why different people accept different types
underpinning concepts and processes involved in
of evidence as valid and how this impacts on
• discuss examples of material evaluation procedures
• explain the role of technological modelling in
undertaken to support material selection decisions
and justify the appropriateness of these procedures
• explain the concept of reliability in
• describe examples to illustrate the strengths and
• discuss examples to explain how material
weaknesses of technological modelling for risk
evaluation impacted on design and development
• discuss examples to explain how material
evaluation impacted on maintenance and disposal
components of tEchnoloGIcal KnowlEdGE: Indicators of progression: Version 4: October 2010
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