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The importance of advancing the 'employability skills' of students throughout their undergraduate education has been increasingly recognised by students and university instructors. Development of these essential skills is hindered by the lack of widely available assessment tools and shortage of detailed descriptions of effective instructional strategies. Evidence supports use of active learning in small groups for advancement of several transferable soft skills, including teamwork, critical-thinking and problem-solving skills (PSS). In this study, a previously reported testing strategy was used to measure the progress of generic PSS of students taking a one-semester, final-year undergraduate biochemistry course.

Mixed-mode delivery based on a 'flipped classroom' approach allowed introduction of significant active learning components, including problem-based learning (PBL) in small teams (seven-eight students), workshops, bonus testing and lectures. Detailed descriptions of the instructional techniques used together with the [Coronavirus Disease 2019] Covid-19 pandemic-forced transition to fully online tutor-less PBL are provided. Data collected over two consecutive years demonstrate statistically significant improvement in the PSS test scores for the 89 students taking this course. Marks of students obtained in three different assessments (examinations, peer evaluations and PSS tests) are compared, revealing medium to low correlation. The benefits resulting from introducing active learning techniques and multiple assessments in undergraduate classes are discussed.

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Problem solving has been characterized as one of the ‘employability skills' due to the high demand for such abilities in a modern workplace. Most universities do not monitor progress of the generic problem-solving skills (PSS) of their students due to a lack of available assessment tools. We used previously reported 15-min tests to measure the generic PSS of students over the first three years of university. More than 600 students participated in this study, including 144 who wrote PSS tests in Year 1 and then again in Year 3 of their studies. Two versions of the PSS test were administered in September and December of both years. We observed a non-linear increase in PSS test scores with a significant growth during the first three months of Year 1, a similar increase over the next 21 months, then no change during the first three months of Year 3. Further studies are necessary to pinpoint the instructional techniques and situational factors facilitating the PSS development of students over the first three years of studies. Moreover, the plateau we observe in the third year indicates that proactive steps by universities and individual instructors are required to advance this important skill set in upper-year students.

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The ability to effectively problem solve is a highly valued competency expected of university graduates, independent of their area of study. Evaluation of problem-solving skill (PSS) development is hindered by a shortage of available tools for monitoring student progress and by lack of defined instructional strategies for development of these skills. Our research is aimed at addressing these problems. We have developed an evaluation tool, which we applied to study the dynamics of undergraduate student PSS. We tested first- and upper-year students from 26 different courses (total enrollment of 2229 students).

Overall improvement of PSS was detected for the first-year students over their first term of study. There were no significant differences between the PSS of first- and upper-year students, and no improvement was detected over a single term by measuring PSS in upper-year students. Only three courses were effective at facilitating PSS. Our data indicate that most of the standard lecture approaches do not develop undergraduate student PSS and that universities and individual instructors must take active steps to advance this critical skill set in university students.

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