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Occasional trainers: why and how should they be trained?

Published on 11 February 2025
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"I should have done this a long time ago! It's not uncommon to hear this reaction when training occasional trainers. How many employees, who excel in their field, are entrusted with in-house training and willingly accept out of curiosity and/or a desire for change? And how many end up becoming discouraged and/or unable to pass on their skills? Experience proves it: they need to be to train effectively and get the results you want. Marion Viennois, a specialist in adult training, explains.

Occasional trainers: why and how should they be trained?

Who are occasional trainers? In-house staff, often experts in their field, who are called upon to pass on their knowledge on an ad hoc basis. They undeniably play a key role in the development of skills within the company, but their effectiveness largely depends on their preparation beforehand and their ability to lead the training. Training these trainers is essential to guarantee high-quality sessions tailored to the needs of learners. Find out why and how to make them even more effective!

What are the needs of occasional trainers?

1/ Passing on knowledge effectively

Firstly, occasional trainers have need for in-depth teacher training to better pass on their technical skills. And indeed, possessing knowledge does not mean knowing how to pass it on. You have to learn to be a pedagogue, just like you have to build a training programme or set learning objectives. For more information, visit training, not "informationTo do this effectively, you need to know the basics of adult education. Knowing the keys to accessing knowledge, as well as the methods, facilitation techniques and practical tools, changes the whole picture.

2/ Managing the heterogeneity of the group

Secondly, many trainers find difficult to manage heterogeneous groups in terms of knowledge and expectations. Indeed, they are often faced with groups mixing novices and experts. Some are studious, others disinterested... Heterogeneity is indeed multiple in training.

In addition to leadership techniques and pedagogical aspects, it is also essential to learn how to adopt good posture in order to manage the group and its heterogeneity and to maintain dynamism and motivation throughout the course.

"The training perfectly met my expectations, with very comprehensive content that opens up perspectives for improving my own training practice."

Many trainers train as they have been trained. Others have a natural charisma and expertise that make them fascinating in the eyes of the employees they train. As a result, their training courses are generally appreciated. However, there is a fine line to be drawn between satisfaction and effectiveness... In fact, these training sessions would be much better if these same trainers combined their desire to pass on knowledge, their talent and skills specific to the training activity.

Training occasional trainers: it's a win-win situation

What are the direct benefits? for companies ?

On the one hand, learners are satisfied with their in-house training thanks to the teaching methods used by their training colleague. They retain the new skills all the better!

On the other hand, the trainers are happy and efficient.

But that's not all. A trainer who has been with the company for a long time may feel that this new challenge will give them a boost and help them to break out of their routine. However, this will only be true if they are given the right support and training to ensure that they are not discouraged by this assignment.

A number of companies have noted a better retention of talent by training occasional trainers from among their staff. An invaluable and priceless aspect.

Finally, the skills acquired in teacher training can often be transferred to other professional situations. For example :

  • holding a dynamic and participative → meeting thanks to training tools
  • presenting a project → in a clear and educational way
  • managing relations with other employees → thanks to group management skills

To recap:

Examples of the benefits to the company of training its trainersExamples of the benefits of training for occasional trainers
Retaining the company's talentCommunicating knowledge effectively
Learning culture: employees who enjoy training and being trainedManaging mixed groups
Building a coherent and effective training programme
Skills that can be transferred to other professional activities (chairing meetings, interpersonal communication, etc.)Skills that can be transferred to other professional activities (chairing meetings, interpersonal communication, etc.)

Points to watch for managers

To really benefit from all these very positive aspects, it is essential to bear two things in mind:

Firstly, the occasional trainer has to take time off work to carry out this new task. It is not feasible to ask them to provide training in addition to their usual operational tasks.. This would demotivate them and they would probably end up offering training that was slapdash and therefore less effective. You need to give them time to train and prepare their courses. This will cost money at the outset, but think of it as an investment that will pay for itself after several courses have been given.

Secondly, it's not a good idea to impose this task on an employee who doesn't want it. A good trainer must want to pass on his knowledge. If they don't know how to do it, that's no problem - they'll learn. However, if they don't have a modicum of patience or the desire to share their knowledge, then their training courses will probably not be as effective as they should be. So choose the right candidates for this new task! Good training for trainers will give them the confidence and tools they need to succeed in this new challenge.

2 tips for occasional trainers

Tip 1: Deconstruct your knowledge

The first thing to do to be a good occasional trainer is to deconstructing knowledge to understand the stages involved in acquiring this same knowledge. You are an expert, but you have to understand that what seems obvious to you is not necessarily obvious to the learner.

Tip 2: Understand how adults work and learn

The second key is to understand how an adult functions and learns. Neuroscience is clear: it is no longer possible to speak effectively to silent learners who take notes without participating in the construction of their knowledge. This is even less true with the new generation of learners, known as Z.

Occasional trainers: discover these 4 tools to use without moderation!

For the more curious and self-taught among you, take a look at :

Wooclap and Learning apps

Wooclap and Learning apps allow you to create very simple digital educational content yourself. Learners scan a QR code and find the activity directly on their phone.

Example 1 with Learning apps

An activity that can be done alone or with others: reconstruct the descriptions of each teaching method.

Screenshot of Learning apps. Instructions: 3 methods and 3 descriptions to be combined, i.e. 9 descriptions to be classified in 3 columns. Column 1: expository method. Column 2: interrogative method. Column 3: active method.

Example 2 with Wooclap

A digital version of the well-known word cloud activity. Each participant can enter as many words as they like, and they all appear simultaneously on the screen.

Cloud of words: knowledge, questionnaire, skills, exam, MCQ, knowledge, acquired, validation, objective, results, etc.

Example 3 with Wooclap

Receive opinions and arguments from employees, who can also like the responses of other participants if they like them. All anonymously, to facilitate the expression of opinions.

Screenshot of Wooclap. In your opinion, what are the advantages and challenges of dynamic and fun tools? Participants note their answers in two columns, on the left the advantages, on the right the challenges.

The talking wall and the moving debate

The "talking wall" and "moving debate" techniques can be used to organise activities that are both participative and energising.

Examples of teaching sheets for organising these activities:

Bonus: these 4 tools are free!

Our expert

Marion Viennois

Training the trainers

After more than 20 years teaching French as a foreign language (FLE) to adults from all over the world [...].

field of training

associated training