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02 July 2019 | Story Leonie Bolleurs
Edwin Skhosana
Edwin Skhosana is working hard to become a successful and competent actuary one day. With him is his lecturer, Dr Michael von Maltitz.

Edwin Skhosana, an Actuarial Sciences student, was described by his lecturer, Dr Michael von Maltitz of the Department of Mathematical Statistics and Actuarial Science, as ‘very quiet’ in his Causal Inference class. 

This may sound like a compliment, but it’s not.

For Dr Von Maltitz, being quiet is definitely not encouraged – not with the new teaching methods applied in class.

“See, my class is all about engagement – getting the students to watch videos on the topics, read about the methods in question, and then come to class to grill me about things they don’t understand. This change in teaching method is extremely disconcerting for many Mathematical students, who have up until now only been taught in the ‘memorise-regurgitate’ form they had ever since the start of high school,” he explains.

Future success


“My goal is to get the students to a level of understanding where they can sit down with me or with an expert in the field and have a conversation about the Mathematical Statistics topics that I teach. This is a very difficult task in such a technical module, and few students ever feel comfortable enough to engage with me actively in class in this way,” Dr Von Maltitz points out. 

Edwin is working hard towards applying the skills and knowledge he has obtained at university to become a successful and competent actuary one day. 

An important turning point was when it dawned on him how the things discussed in class could find an important practical application in so many fields.  

“This suddenly drove a spontaneous fascination in my mind that led me to engage with Dr Von Maltitz,” the previously quiet Edwin explains.

And everything changed.

Desperate to learn

Dr Von Maltitz explains: “Edwin came to my office to ask some questions. The incredible thing was that he sat down, and a conversation about the Mathematics, the foundations, and the methods just flowed between us. I have seldom had such an insightful chat about my module with a student. It was like a cascade of information just fell into place for Edwin.”

Although he sometimes still experiences his studies as challenging and grapples to adapt to the various styles of lecturing from different lecturers, Edwin now has hope for his class in Causal Inference. 

“I think Dr Von Maltitz’s way of presenting in class is excellent. It is, however, hard to grasp if you are still anchored in the old way of cramming, because he wants you to understand and be able to apply what he teaches,” says Edwin.

“It was just wonderfully refreshing to see someone so desperate to learn something (rather than just wanting to get a degree), and then actually managing to turn around a bad semester mark into such a river of understanding,” Dr Von Maltitz concludes.

Dr Michael von Maltitz
Dr Micheal von Maltitz

News Archive

Successful conviction on edible oil adulteration
2009-03-28

A successful conviction in the South African food industry for selling diluted olive oil under the guise of virgin olive oil was handed down in the Special Commercial Crimes Court in Durban this week.

Salvatore Pollizi, owner of the company Ital Distributors, pleaded guilty in terms of Section 105A of the Crime Prosecuting Act to selling fake virgin olive oil under the names of Antico Frantoio and Ulivo.

He was sentenced to a fine of R250 000 or three years’ imprisonment, of which R130 000 or 18 months imprisonment is suspended for five years, on condition that he is not found guilty of fraud or theft or an attempt to commit such crimes during the period of suspension.

The offence was committed in 2001 when the scandal involving olive oil being mixed with a cheaper edible oil and being sold as the more expensive virgin olive oil was uncovered by scientists from the University of the Free State (UFS) in Bloemfontein, in collaboration with Mr Guido Costas, The Olive Growers’ Association, AgriInspec and the South African Police Services.

According to Prof. Lodewyk Kock, Head of the South African Fryer Oil Initiative (SAFOI) that is based at the UFS, the conviction is to his knowledge the first successful conviction of this kind in the South African food industry.

Prof. Kock said, “The court’s decision on Monday, 23 March 2009 is good news to our country and sends out a dire warning to all fraudsters in the food industry.”

He attributed the successful conviction to the active and enthusiastic participation by Advocate Joanna Bromley-Gans from the Special Commercial Crime Unit (SCCU) in Durban, Captain Pragasen Govender from the Serious Economic Offences Unit (SEOU) in Pretoria and the team from SAFOI.

Prof. Kock said that in 2003 some of the prominent members of the edible oil industry took responsibility for the authenticity of their own oils by appointing outside laboratories for routine monitoring.

In some cases a seal of approval from such laboratories is displayed on the monitored oil containers. This is an attempt to inform oil distributors, shop buyers and consumers that these oils have been monitored by an outside laboratory for authenticity.

This “policing” has been supported by major role players in the fast-food sector like Nando’s, Spur, Captain Dorego’s, King Pie Holdings, etc. and various oil distributors like Felda Bridge Africa, Willowton Oil & Cake Mills, Refill Oils, etc.

Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel:  051 401 2584
Cell:  083 645 2454
E-mail:  loaderl.stg@ufs.ac.za
27 March 2009




 

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