Education & Training

Self-efficacy in non-routine problem solving in STEM education

Dr Tanya Evans and Emeritus Prof Mike Thomas from the University of Auckland, led by Associate Prof Sergiy Klymchuk from Auckland University of Technology, have developed an intervention that examines whether the employability prospects of students in STEM education could be improved. Their findings suggest that the attitude profiles of students with high and low lateral thinking self-efficacy differ significantly. Moreover, the team observed a significant difference between genders with regard to lateral thinking self-efficacy, with a significantly greater proportion of confident males than females. This could provide an explanation for the ‘leaky-pipeline’ phenomenon manifesting in the underrepresentation of women in STEM fields.

Imagine you’re a graduate with an affinity for mathematics attending your first job interview. As part of the interview process, you are asked to solve the puzzle involving a cat on a ladder (see figure 1). You answered C and got it right! Next you are presented with a similar problem (see figure 2), but the assumptions have changed. Numerous observations have found that it is likely that you will answer A or B. If you did, it’s wrong and, unfortunately, your chances of getting the job may well have slipped away. The answer to the second problem is also C and the solution can be demonstrated using basic mathematics (see figure 3). Puzzles such as these are used by many companies as part of their job interview process in order to evaluate candidates’ problem-solving skills. They consider that the ability to solve puzzles relates to the creative thinking required to solve innovative real-life problems.

Dr Tanya Evans, a lecturer in the Department of Mathematics at the University of Auckland, together with Dr Mike Thomas, Emeritus Professor of Mathematics Education, also from University of Auckland, and Dr Sergiy Klymchuk, Associate Professor of Mathematics at Auckland University of Technology, have developed an intervention that examines whether the employability prospects of STEM (Science, Technology, Engineering and Mathematics) students studying mathematics could be improved.

Figure 1. Imagine a cat sitting halfway up a ladder that is placed almost flush with a wall. If the ladder falls, what will the trajectory of the cat be? A, B or C?

Rapidly evolving employment landscape
The occupations most in demand in today’s labour market include data scientists, app developers and cloud computing specialists – jobs that didn’t exist ten, or even five years ago. The World Economic Forum predicts that technical breakthroughs, shifting the frontier between tasks performed by humans and those performed by machines and algorithms, will transform global labour markets. If recent graduates are to succeed in such a rapidly evolving employment market, in addition to their content mastery, they will have to demonstrate both intellectual flexibility and their ability to adapt to novel settings. Globally, over the past decade, focus on the identification of graduate attributes and employability skills has intensified, with employers highly valuing attributes including those referred to as the ‘C’ skills: Creativity (often associated with lateral thinking), Curiosity, and Critical thinking.

Students’ prior performance in mathematics does not appear to affect their confidence in solving non-routine problems.

Transfer of learning
Some university educators consider producing well-rounded individuals with higher thinking skills to be of paramount importance and put less emphasis on students’ employability. While training students for employment is not the only aim in gaining a university education, the value of their qualification, in terms of employability, is a major concern for students. This has prompted the consideration of graduate attributes within a number of higher educational settings and highlighted the importance of transfer of learning, i.e. the ability to apply previously acquired knowledge and skills in novel problem-solving situations.

The researchers refer to previous work focusing on the importance of motivational influences on transfer by Pugh and Bergin (2006), who comment that “Without transfer, the relevance of formal schooling is limited.” Their research explored the influences of motivation on cognitive processes related to transfer of learning and recommend that future research utilises the four motivational constructs: achievement goals, interest, self-efficacy, and intentional transfer. This synthesis of the motivational influences on transfer guided the research team towards the tool of their analysis, the motivational construct self-efficacy.

Figure 2. Now the base is pulled away with the top of the ladder retaining contact with the wall. What will the trajectory of the cat be? A, B or C?

Self-efficacy
The mechanisms involved in transfer of learning, in the context of non-routine problem solving as viewed through the lens of perceived self-efficacy, underpin this study. In the context of transfer, self-efficacy refers to confidence in the ability to do or learn a skill that can successfully transfer to another domain. Reviewing the literature, the researchers found that self-efficacy is positively associated with transfer of learning via mechanisms that include its influence on cognitive engagement and persistence.

In addition to self-efficacy specific to mathematics, the researchers conceptualised a novel construct, lateral thinking self-efficacy, which they defined as “a learner’s confidence in their ability to solve non-routine problems”. This relates to the creative thinking ability required to solving innovative real-life problems in the workplace. It is therefore pertinent in transfer of mathematical learning to novel domains.

Figure 3. The answer to the second question is C.
Methodology
This research employed a case study conducted at two universities in New Zealand. The research team collaborated with lecturers to design and implement an intervention in two second-year mathematic courses. They aim to design an intervention that could be easily integrated into existing undergraduate mathematics education, therefore requiring only a small developmental investment.

The courses were delivered over a 12-week semester comprising three 50-minute lectures per week. In the middle of each lecture, the lecturer would ask students to attempt to solve an unfamiliar non-routine problem. These non-standard, unstructured questions were presented in an entertaining way and the students were free to work individually or in small groups. A brief discussion of the solutions would follow with the activity taking 2-5 minutes to complete.

At the end of the semester, a student survey was conducted in class in the form of a paper-based questionnaire made up of ten questions. Three questions were on demographics, with the others exploring the interplay between the students’ lateral thinking self-efficacy, performance, gender, prior achievement, together with their feelings, beliefs and attitudes towards non-routine problem solving. The students were encouraged to provide open-ended answers together with any unsolicited comments that they wanted to add. In total 137 students (81 males, 53 females, 3 unidentified) from two second-year mathematics courses participated in the study, with a response rate of 97% of those present.

A sequential two-phase data analysis approach was used so as to reduce reliance on Likert-style instruments and move toward a greater use of narratives. The first phase involved the qualitative analysis of students’ responses to ascertain their views on various aspects of the intervention. The second phase involved the use of a quantitative technique to investigate frequency counts for each of the themes identified in phase one. From these, the relative frequency of differential responses to the phase one themes from students with high versus low lateral thinking self-efficacy was determined.

Findings
The results suggest that the attitude profiles of students with high and low lateral thinking self-efficacy differ significantly towards non-routine problem solving with respect to three dimensions (vision; enhancement utility; and emotional disposition) that span their affective domain. The affective domain describes people’s attitudes to capture how they deal with things emotionally and includes their feelings, beliefs, motivations and values.

The analysis revealed that significantly fewer students with high lateral thinking self-efficacy viewed non-routine problem solving as a challenge when compared with those with low lateral thinking self-efficacy. Significantly more students with high lateral thinking self-efficacy had positive emotional dispositions towards non-routine problem solving than those with low lateral thinking self-efficacy. Likewise, significantly more students with high lateral thinking self-efficacy had positive ratings on both the Enjoyment theme and the Engagement theme than those with low lateral thinking self-efficacy.

Although there was no significant association between gender and non-routine problem-solving performance, there was a significantly greater proportion of confident males than females.

Interestingly, the students’ prior performance in mathematics did not appear to affect their confidence in solving non-routine problems. There was, however, a significant association between students’ confidence in solving non-routine problems and their performance in solving them.

The study uncovered a significant difference between genders when lateral thinking self-efficacy was observed. Although there was no significant association between gender and non-routine problem-solving performance, there was a significantly greater proportion of confident males than females. The researchers note that these results raise questions about equity with regard to employability prospects for females in STEM companies. Moreover, this may explain the ‘leaky-pipeline’ phenomenon that is evident in the underrepresentation of women in STEM fields.

Figure 4. Confidence in solving non-routine problems, by gender.

Broader implications
Previous research has demonstrated that students’ emotions can have a profound effect on both their academic engagement and performance. The impact of positive and negative moods on problem solving has also been observed. Experiments suggest that a positive mood promotes flexible, creative, and holistic ways of solving problems, with students relying on generalised, heuristic knowledge structures. Taking these considerations together with the findings of this study, the research team postulate that targeting an activation of positive emotions during the stages of non-routine problem solving could improve lateral thinking self-efficacy. They also suggest that ensuring that future graduates’ experience the enjoyment of understanding a solution, rather than feeling frustrated when a solution is not explained well, would moderate their epistemic emotions during similar interventions.

Further research into non-routine problem solving in STEM education, funded by the Teaching and Learning Research Initiative (New Zealand), is being conducted by a larger team led by Associate Professor Klymchuk.

Personal Response

What initially sparked your interest in the relationship between self-efficacy and problem solving and inspired you to conceive the novel construct, lateral thinking self-efficacy?

<> Dr Evans: My interest in this topic is rooted in a well-known paradox: on the one hand, it is widely assumed that studying mathematics equips learners with problem-solving skills in a broad sense. On the other hand, there is plenty of evidence from employers complaining about the lack of creativity in problem solving of never-before-seen problems by mathematics and computer science graduates. These students tend to get fixated on rigorous and precise solutions disregarding contextual requirements that make this approach unsuitable. This inability to be flexible and creative is related to the problem of transfer that has not been well understood in the context of mathematics at a high level. This prompted me to zoom in on the issue through a novel construct – lateral thinking self-efficacy – in an attempt to capture learners’ confidence in their ability to solve non-routine problems.

This feature article was created with the approval of the research team featured. This is a collaborative production, supported by those featured to aid free of charge, global distribution.

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