Using pedagogical agents to increase engagement in eLearning

Many eLearning practitioners would agree that a successful digital learning experience relies on student engagement. However, facilitating engagement online can be challenging – particularly when it comes to sustaining students’ attention over time, in the absence of traditional face-to-face interaction. Fortunately, recommendations arising from numerous research studies have highlighted ways to address this issue. One such recommendation has been the use of pedagogical agents. Studies indicate that, when interactive pedagogical agents are used as instructional aids in the design of eLearning courses, student engagement increases – resulting in a more effective digital learning experience overall (Bickmore et al., 2011; Cook, 2017; Dinçer and Doğanay, 2015; Lane, 2016; and Martha and Santoso, 2019).

This article will provide an overview of pedagogical agents and their benefits, before making recommendations for how they can be used to increase student engagement in online courses.

What is a pedagogical agent?

A pedagogical agent can be described as an autonomous, computer-generated character that is designed to support students during learning – in particular, by reacting to changes in the environment, communicating with other agents, and engaging with students in the context of an interactive learning environment (Vallverdú and Casacuberta, 2009). The concept was originally borrowed from the fields of computer science, animation and artificial intelligence (AI), and applied to online learning environments for the purpose of simulating the social interaction that occurs in a traditional classroom setting (Phan, 2011). Pedagogical agents are embedded in the instructional application, acting in the background as part of the architecture of the educational system. They provide humanlike assistance, guiding students through the multimedia learning environment and contributing positively toward increasing student engagement – and, by implication, effective learning. Let’s take a brief look at how this is achieved.

Pedagogical agents can guide students’ learning processes by providing them with feedback while educational tasks are being performed. This can take the form of speech and/or nonverbal behaviours.

For example, after an activity has been completed successfully, the pedagogical agent can provide positive verbal and/or non-verbal feedback about the completed task. Alternatively, if the activity has not been completed successfully, the pedagogical agent can guide the student toward helpful material that will aid them in completing the task, as illustrated below. These social affordances have been found to promote a positive affect and aid in the transfer of learning (Kramer and Bente in Lane, 2016).

Furthermore, according to Johnson and Lester (2016), pedagogical agents can also support learning by:

    • demonstrating how tasks should be performed;
    • helping students to navigate from one point to another;
    • providing cues to guide students; and
    • eliciting emotions in students by expressing empathy toward them.

In doing so, pedagogical agents have a positive effect on aspects of learning such as motivation, satisfaction, appreciation, self-sufficiency and overall performance (Dinçer and Doğanay, 2015: 332). As such, their presence makes online courses more immersive and engaging, thereby increasing knowledge retention (Gettinger and Ball, 2007; Krause and Coates, 2008; and Kuh, 2009). The guidelines that follow explain how pedagogical agents can be used to increase student engagement in online courses.

Using pedagogical agents in eLearning

When using pedagogical agents in online courses, it is vital to ensure that they can guide, mentor, assess and engage students effectively during the learning process. The following points outline some recommendations for achieving this.

1. Research your target audience and the design of your pedagogical agent

Before creating a pedagogical agent for an online course, it is wise to research different designs, as well as how different target audiences might respond to these designs. Remember that agents often take on the role of virtual instructors (Pappas, 2014). As such, it is important that the chosen design appeals to, and motivates, your specific target audience (Shiban et al., 2015). Be mindful of selecting designs that may ‘steal the spotlight’. The role of a pedagogical agent is to enhance the learning experience, and to guide the student through the processes of knowledge acquisition and retention. As such, the design of your agent should improve the learning experience rather than disrupt it (Pappas, 2014).

2. Decide on the qualities that your pedagogical agent should possess

Based on the research you have conducted, you will need to decide on the qualities that your pedagogical agent should possess. Pedagogical agents should be to your target audience, as this allows students to form a ‘connection’ with them – thereby providing further incentive for engagement with the learning content. Having said this, it may be surprising to learn that these agents don’t need to appear lifelike in order to be effective: cartoonlike agents can be used just as successfully as human-looking agents (Paulose, 2016). However, it is important for the pedagogical agent to display humanlike behaviour. Research indicates that students learn more effectively from agents that exhibit humanlike gestures, movements and facial expressions (Lusk and Atkinson in Paulose, 2016). Furthermore, Mayer (2014) has found that pedagogical agents are more effective when they sound (personalisation principle) and (voice principle) in comparison to those with formal, machine-like speech patterns.

Adams (2017) and Pappas (2014) recommend that a conversational yet authoritative tone be used when guiding or conversing with students, to come across as helpful and friendly while still maintaining a sense of professionalism. If the tone is too authoritative, students might not find the agent relatable, motivating or interesting. Conversely, if the tone is too friendly, students may perceive the agent to lack credibility.

3. Ensure that the agent guides students through the course effectively

A key function of pedagogical agents is to guide students through the coursework effectively. This can be achieved in a number of ways. For example, the agent can assist students in navigating from one point to another, offer advice and helpful tips for completing tasks, or draw attention to (i.e. signal) important information. This can be achieved by means of non-verbal feedback, such as gestures or facial expressions, or through direct verbal feedback and conversation. This reduces the potential for confusion, while aiding performance and enabling students to attend to, acquire and retain essential information successfully (Johnson and Lester, 2016; O’Dowd et al., 2019; and Pappas, 2014).

4. Assist students in assessing their knowledge

Pedagogical agents can also assist students in assessing their knowledge throughout the course. This can be achieved through both questioning and feedback. For example, the agent may be used to ask the student direct questions about the course content in order to test their understanding. Additionally, they could pose probing questions to prompt the student to explore more complex ideas, thus uncovering the beliefs that inform their thinking (an approach that is referred to as. Feedback (whether corrective or motivational) can then be provided based on the student’s performance. When used as part of formal assessments, pedagogical agents can also help to make the assessment process itself more interactive and enjoyable (Pappas, 2014).


Research indicates that educational systems aided by interactive pedagogical agents result in more effective eLearning courses (Bickmore et al., 2011). Pedagogical agents increase student engagement and enhance the overall learning experience by guiding, mentoring and interacting with students. In this way, they provide tangible, quantifiable benefits in stimulating learning and, ultimately, aiding academic success (Dinçer and Doğanay, 2015). By following appropriate guidelines and tailoring pedagogical agents to the target audience, educators can create an interactive learning experience in the absence of traditional face-to-face interaction.


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