Encyclopedia of Education and Information Technologies

Living Edition
| Editors: Arthur Tatnall

Challenge of Transforming Curricula with Computers, High Impact Interventions and Disruption

  • Andrew E. FluckEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-319-60013-0_207-1


Educational Expectations

Conventional educational attainment expectations for school students are generally defined by curriculum documents in each jurisdiction. However, new technologies disrupt societies, so it is pertinent to ask how computers have changed educational expectations. Robert Heinlein put this into perspective in a short story (1957). The protagonist is Holly Jones. She is 15 and a spaceship designer: “I’m very bright in mathematics, which is everything in space engineering, so I’ll get my degree pretty fast. Meanwhile we design ships anyhow. I didn’t tell Miss Brentwood this, as tourists think a girl my age can’t possibly be a spaceship designer.” This demonstrates some early aspirations of how education might change in future where lunar habitats become well established.

Outside education, business process reengineering is the practice of re-designing work, particularly when using new technology to reduce costs (Davenport 1993). Davenport commented on the role of computers in changing business practices: “...Information and IT are rarely sufficient to bring about the process change; most process innovations are enabled by a combination of IT, information and organizational/human resource changes” (p. 95).

When we look at societal use of computers, we see large changes. Banking and travel are usually identified as areas of activity most changed by the application of digital technologies. Internet banking, crypto-currencies, and online commerce have greatly reduced the need to visit a bank branch. Similarly, travelers can book their own flights online, and arrange hotels and tours the same way. Digital technologies are a growing digital component in global trade, with the world’s top six largest companies digitally dependent (Statistica 2018). Four of the top 50 firms by revenue are also digital companies.

Ranking of the companies 1–100

Market value in billion US dollars





Alphabet (Google holding company)






Alibaba (online sales site)


There is therefore a contrast between expectations of educational change and actual change in the commercial world. The commercial world is the one into which school students will grow. Therefore, educational leaders have an imperative to grapple with this growing schism.

The Challenge

This dichotomy provides a significant challenge for educational theorists and researchers. There have been two noted responses by theorists, the TPACK framework and SAMR model. Koehler and Mishra (2008) introduced TPACK as a way of looking at the key role of technology when teaching online. However, this focused on the method of teaching, not the content. Puentedura (2012) went further and theorized that computers would first substitute for common tools (e.g., keyboard replacing a pen), then augment those tools. Later, in a transformation phase, the computer would allow for significant task redesign, leading to redefinition of learning to that which was previously inconceivable. This transformative perspective was predicted by Downes et al. (2002, p. 23) and aligns with Fluck’s three phase model for ICT policy development (2003, p. 139).

The challenge for researchers arises from the need to measure change. Educational research frequently looks at proposed interventions, generally with the intention of improving learning. Two classical kinds of measures are preferred for this kind of work. The first is null hypothesis statistical testing, with a t-test or similar used to confirm a new process makes a difference to learning when compared to previous processes. The significance of such a correlation measure is established by a p-value, which demonstrates the unlikely possibility of the result being accidental or by natural variation.

The second class of measures of improved learning includes effect size. Lopez et al. (2015) stress the importance of citing the effect size, because this dimensionless measure is independent of sample size. Effect size can be calculated in several ways: Cohen’s d, using the pooled standard deviation of the control and experimental groups is most commonly found when conducting t-tests; partial eta squared has mostly been reported in studies using ANOVA; adjusted R2 has been associated with regression analyses; and Hedges’s g, which applies a correction for small samples (Lopez et al. 2015, p. 108; Tamim et al. 2011). Effect sizes for the use of computers in education have been quite modest with “the average effect size ranging between .20 and .47 standard deviations” (Karasavvidis 1999, p. 2). Effect size calculations are predicated on the test scores being distributed in a near-normal way and on the standard deviations for pre- and posttests being similar.

With transformative applications of computers in the SAMR model, educational researchers have a difficulty in identifying a common scale from which to calculate the effect size of a learning innovation. Following the TPACK framework, if the researcher is using a computer to teach the same content in a new way, then a standardized and calibrated assessment of educational achievement can be administered to both the control and experimental groups before and after the intervention, with the Solomon four-group design overcoming external validity weaknesses caused by pretest sensitization of subjects. In such research designs, the implicit assumption is the pre- and posttests will accurately measure student educational achievement at a point in time.

For transformative applications of computers, the radically different educational content may be such a departure from the conventional curriculum that students will have no prior knowledge whatsoever. This does raise an ethical question concerning the emotional impact of a pretest assessment in which virtually all students will likely have a negative experience. The research design parameters violate simple humanity, so methods are sought which give the required validity and yet provide a positive emotional experience to the research subjects.

Using Computers in Assessment

There is another aspect of teaching new content which is impossible to deliver without computers: assessment. If computer use is transformative, it will be essential in assessment (Fluck and Hillier 2017). This also makes the pretest/posttest paradigm difficult. If the learned skills can only be realistically demonstrated through student computer use in the posttest, then protocols would dictate the pretest should also depend upon the same mode of assessment. A complication might be the interference effect of the operational skills required to use the software intended for use as part of the educational intervention to be studied. If operating this particular software is in fact an element of the intervention, then its inclusion in the pretest is contraindicated.

The difference in modality of testing became a matter of national concern in Australia in 2018 when standardized testing in schools was conducted both on paper and on screen. Approximately 20% of school students undertook the testing on screen. Severe doubts were raised about the comparability of the results from the two modes, with the testing agency “acknowledging that year 9 students who sat the writing test online performed better on average than those who completed the traditional pen-and-paper version” (Robinson 2018). The testing agency subsequently released the results using a common mean scale score and reported effect sizes for any differences over time (Australian Curriculum, Assessment and Reporting Authority 2018). This demonstrates national bodies are aware of the modality issues, and map test scores onto a common scale to allow effect sizes to be calculated.

Possible Solutions

Puentedura (2012) has reported transformative “redefinition” uses of computers in school education with an example effect size of 1.563 (Salomon et al. 1989). This is in the context of an average or hinge effect size of 0.4 for educational interventions (Hattie 2009). The Salomon et al. effect size of 1.563 provided the greatest impact in Hattie’s list of meta-studies “Teacher estimates of student achievement.” Salomon et al. used a research design with three randomly selected parallel groups of students. All subjects were pretested with a group-administered standard test of reading comprehension (p. 622). Posttesting comprised a metacognitive reconstruction task, another version of the reading comprehension test and a delayed essay writing task. The researchers undertook structured equation modeling and did not actually calculate the effect size. This was drawn as Hedges’ g from the meta-study by Pearson et al. (2005). Puentedura’s reliance on this study and meta-analysis was criticized by Hamilton et al. (2016).

The Salomen et al. study is useful because it points to a multiplicity of achievement tests both at the pretest and posttest stage. The research design explicitly used a different version of the reading comprehension test for the posttest. This technique is sometimes used to avoid memorization – where the student recalls the same item on the pretest and responds to the posttest informed by that recollection. Test design can be influenced by the choice of item-response theory or Rasch modeling. Item response theory allows test elements to be analyzed for difficulty, which assists when collating scores. Rasch modeling goes further and allows scores to be mapped onto the same invariant scale. We can presume that Salomen et al. mapped the results of the different reading comprehension tests onto a common scale to allow meaningful comparisons. In a similar way, transformative educational computer-based activities may need a different posttest to calculate an effect size.

One possible way forward in transformative or redefinition applications of computers in education is to look at learning achievement in terms of years of schooling. Normally, an effect size of 1.0 corresponds with a change of one standard deviation (Coe 2002, p. 3). Glass et al. (1981, p. 102) have asserted that an effect size of 1.0 corresponds to the normal learning achievement in a year in elementary school. However, Wiliam (2010) found this relationship varies according to the age of the student, becoming smaller for older year groups. Learning progression reduced from one standard deviation per year in Grade 4 and reduced to 0.27 in Grade 8 (p. 116).

There are perhaps two justifiable ways forward. Where the transformation involves learning material relevant to a higher chronological age than that of the student subjects, Wiliam’s progression could be used to measure the impact in terms of years of advanced standing. This faces a minor problem in that Wiliam’s progressions differed slightly for Mathematics and Reading, so the alignment between age and maturation is not precise. The other possible way forward is to map both pre- and posttest results onto a curriculum-age scale. A curriculum-age scale is one where each item of learning is situated in a particular schooling year and is the way most curricula are presented. If the transformative intervention aspires to teach material 3 years in advance of the chronological age of student subjects, then this would be the point on the curriculum-age scale indicated by test scores. Such an approach allows for the pretest and posttests to be different, since each test points to a different age level on the scale.

Practical Example

The Calculus for Kids project (Chin et al. 2017) epitomized this transformative approach, asking Year 6 (12-year-old) students to learning how to solve real world problems using integral calculus, with MAPLE computer algebra system software as an aide. This skill is not normally taught until Year 12, so the posttest used items from 1st year university examinations of integral calculus (presumed to be Year 13 on the curriculum-age scale). Key to the assessment of learning achievement in this project was student computer use.

As shown previously, the method of calculating effect size varies between studies. Robust research designs rely upon the same pre- and posttest to determine the effect size of an intervention. However, other methods are also used. Tamim et al. (2015) cite a large effect size of 2.066 for a study of tablet use (Huang et al. 2014). Huang et al. (2014) used different pre- and posttests containing 26 and 14 multiple-choice questions, respectively, but validated these through Cronbach’s alpha (α, for reliability) and an expert review group for validity. In consideration of these factors, the researchers resolved to aim for a large study and used Cohen’s d for reporting the effect size.


Traditionally, students have been taught how to find the integral of a mathematical function using a series of rules deduced from first principles. This helps students to understand how to integrate a new function in the future. However, as the catalogue of integral functions grows, the use of poorly memorized results using “first principles” can impede practical calculation. Therefore, professional engineers use a variety of specialist software to “crunch the numbers” although they also need to understand the process and its application to obtain sensible and accurate results. One might argue that reliance on computing equipment in engineering is analogous to the widening use of word processors in newspaper offices in lieu of pens. There is certainly a discussion to be had about the way these technologies redefine the underlying skills or their acquisition.

The main conceptual tools for the study were Rogers’ theory of innovation adoption (2003), the nontemplate problem-solving method of Allen (2001), a realistic mathematics education approach (Gravemeijer and Doorman 1999), and a methodology developed for the transformational use of ICT in school education. This methodology combines professional software tools with multimedia instructional materials. The project therefore set out to answer the following research question:

RQ1: What is the effect on learning achievement of transformational computer use in one mathematical education topic for Year 6 students?


Participating schools were recruited from five Australian states, ensuring a wide range of locations and socio-economic backgrounds. Local facilitators were chosen by each participating school and attended a training session at the University of Tasmania. The training course for facilitators inducted them into higher-level mathematical areas, by taking them through the student learning materials consisting of colorful multimedia animations. In each package, teachers were provided materials for 12 1-h modules to be taught over 6 weeks with links to worked examples in Maple worksheets and extension activities for students to autonomously consolidate learning.

The Calculus for Kids learning module was designed for Year 6 students in their regular classes where everyone could use a computer for each lesson. Schools with both 1:1 laptop classes and computer laboratories were included in the study. Our initial preference was for situations where every student used a personal laptop computer. If this was taken home each day, that promised additional time on task. However, this ideal was not always met, and some classes were able to access the learning module in a school computer laboratory at specific timetabled sessions. Maple was selected as the supportive software because several of the researchers were familiar with it; to ensure students were not disadvantaged in future mathematics learning (it uses conventional notation); and because the study was supported by an industrial partner in the research (Maple 18-2016).

The students in this study were randomly drawn by each participating school. Given that in most cases an existing class was selected, the regular teacher often agreed to be trained as the facilitator in our methods. The classes reasonably represented students across Australia at this level, without bias as to rurality or social advantage (Table 1).
Table 1

Demographic data for Calculus for Kids







Total students


Minimum ICSEA


Maximum ICSEA


Mean ICSEA (s.d.)

1042 (82)

Mean age on the day of the posttest (s.d.)

11.96 (0.74)

Minimum age


Maximum age


The ICSEA (Index of Community Socio-Educational Advantage) is a scale of socio-educational advantage that is computed for each school (Australian Curriculum, Assessment and Reporting Authority 2015). The ICSEA is constructed so the median score is 1000 with a standard deviation of 100, and incorporates parental occupation/education, remoteness, and indigenous proportion of students. Lower values represent greater educational disadvantage.

The study used published data on numeracy skills at each school (NAPLAN) as a proxy for aptitude on a curriculum-age scale. This took the place of a specific pretest. The posttest positioned students onto the same curriculum-age scale. It was designed by one of the authors, a nationally awarded teacher of university engineering, and used items from 1st year university engineering calculus examinations.


Between June 2010 and April 2016, 434 students in 23 classes at 19 schools in 5 (of 8) Australian states completed the Calculus for Kids learning module. The module was taught in Tasmania, Queensland, Victoria, South Australia, and New South Wales. The students were selected to be in Year 6, generally the final year of primary school (changes in Queensland meant the Year 7 cohort moved from primary to secondary school during the period of the research). The mean age of students was 11.96 years, with the youngest 9.97 years and the eldest 13.82 years.

Analysis showed there was a small but significant difference in posttest scores for male students (M = 13.30, SD = 0.39) and female students (M = 13.38, SD = 0.33; t(432) = −2.166, p = 0.031, two-tailed). So, the male students appeared to perform less well. However, when the pretest curriculum-age scale levels were subtracted from the posttest curriculum-age scale levels, the gender differential became insignificant: t(432) = −1.38, p = 0.169). There was also a small and positive correlation between school ICSEA value and student posttest curriculum-age scale level (r = 0.168, n = 434, p = 0.000), with higher levels of social-economic status and geographical advantage value associated with higher levels of student achievement. This corresponds with expected findings; the correlation is small though significant.

Calculating an effect size for transformative interventions such as this presents several methodological difficulties. Traditionally, effect size is calculated as Cohen’s d based upon the difference in achievement obtained from the same or calibrated pre- and posttests. As previously stated in this study, there were strong pedagogical reasons for omitting any pretest, so NAPLAN results were used instead. The following achievement results were obtained from the project (Table 2).
Table 2

Student achievements for Calculus for Kids



Standard deviation


Year level on curriculum-age scale – pretest




Year level on curriculum-age scale – posttest




These values give an effect size based on Cohen’s d of 22.19. This is extraordinarily high, since an educational intervention is considered significant if it has an effect size greater than 0.25 of a standard deviation using a “rule of thumb” (Tallmadge 1977, p. 34) or 0.4 (Hattie 2009) using Cohen’s d.


The effect size is very large (>0.8) (Cohen 1988). This finding is important, because much research to date has compared the impact of computer use on learning the same content without computers. When contemplating significant curriculum reform built on an assumption of universal computer access, this very large effect size provides evidence in support of a transformative approach.

The outcome from this project has provided evidence that children as young as 10 years old can use computers to demonstrate higher order thinking when freed from contemporary curriculum and reporting constraints. The power of this evidence is increased by the geographical and social diversity of the participants, providing impetus for radical reform of learning. Policy makers require these practical demonstrations of curriculum transformation with computers to inform the community and make political decisions about the content of schooling palatable and feasible (Kozma 2011, p. 27). This is particularly true in the case of disruptive innovation (Cerna 2013, p. 14).

The researchers have been asked if the Year 6 students really understood integral calculus. The response is students generally passed the university test designed to assess this specific learning achievement. A counter-argument is the students had assistance, in the form of the computer software they used when solving the posttest problems. The Calculus for Kids students needed to know, what mathematical tools to use, when to use them, and how to use them. This required understanding of the concepts within integral calculus and their application. It is clear there are difficulties when thinking about the impact of computers when transforming curriculum, but there is a clear imperative to do so given their pervasive use in professional and business life. As with any technological innovation, its use replaces old skills with new ones. In Calculus for Kids, the skills to operate the Maple software replaced the mechanical memorization of algebraic formula manipulations. The consequence was that students were able to solve real world problems using integral calculus, which is indicative of higher order thinking.

The study only demonstrated accelerated learning achievement with elementary school students. However, analogous processes could be trialed at other educational levels. For instance, 1st year undergraduates might be able to achieve learning outcomes at the Masters’ or even initial PhD candidate level. Year 10 students may be empowered to demonstrate understanding from 1st year degree courses. This would be a significant outcome for transformative uses of computers in education.


There is no doubt that school education suffers from plurality of control and the inertia evident in any large system. Both educational leaders (Oates 2009) and students (Barrance and Elwood 2018) have expressed concerns that innovations and assessment reforms are proceeding with undue haste. Society needs to contemplate the growing disjunction between the pervasive use of digital technology in professional life and the lack of transformative curriculum changes.

This raises significant difficulties for educational researchers, where the “gold standard” of effect size for evaluating innovation impact needs readjustment. Transformational and redefinition uses of computers make it possible to teach new concepts, not currently in the age-designated curriculum for student subjects. The conventional use of “effect size” comes under increasing strain in such circumstances. Already there are a variety of statistical calculations leading to an effect size, but transformational computer use makes pre/post testing and the use of control groups very difficult. This entry has argued that many such situations can be addressed by using the concept of a curriculum-age scale. It does leave open the question of transformational learning not covered by the operational curriculum for the relevant, or indeed any other, jurisdictional area. That may be for another discussion!



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Copyright information

© Crown 2019

Authors and Affiliations

  1. 1.School of EducationUniversity of TasmaniaLauncestonAustralia

Section editors and affiliations

  • Arthur Tatnall
    • 1
  1. 1.Information SystemsVictoria UniversityMelbourneAustralia