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What is the Most Effective Length for a TV Commercial?

By Lin Parkin

June 25, 2014

Comments (1)

Commercial_Messages.jpgThe best length for commercials has been hotly debated among advertisers for decades. Countless studies have been conducted and the outcome often rests on the laurels of economics rather than effective brand awareness.

When televisions first entered the average North American homes commercials followed the same guiding principles of radio, the main media source at the time. As with radio, 60-second television commercials were the norm in the 1950's.

When media inflation hit in the 1970's advertisers were forced to cut their spots in half to 30-seconds. Soon after that the 15-second TV commercial emerged.

Now most North American broadcasters offer a selection to advertisers and they can choose to produce a 15, 30, or 60-second commercial.

But what is the most effective amount of time? Learn more in today's VOX Daily.

One measure of effective advertising is consumer recall. Studies have shown that if the advertisement is capable of engaging all three memory banks in the minds of its target audience then the ad will translate better to brand awareness and, ultimately, the bottom line.

What are the three memory banks of the human mind?

In his book The Elements of Episodic Memory by Endel Tulving, a Canadian experimental psychologist and cognitive neuroscientist, the so-called "grandfather of modern memory research," defines the three memory systems as:

1. Semantic: knowledge based memories, where we store facts, concepts and language.
2. Episodic: emotional based memories, where we store autobiographical memories.
3. Procedural or Somatic: action based memories, where we store learned behaviors, such as how to drive a car or play a guitar, as well as the physical sensations of bodily movement and our five senses.

For advertising purposes, a good commercial uses imagery that triggers fireworks in all three memory systems. Add in a familiar logo, jingle, and/or tagline to each spot that represents each memory system and you've got the makings of an effective television commercial.

Why?

Because when recalling the commercial later, no matter which part of the memory was triggered most, which will vary from person-to-person and their particular mood at the time, it will automatically be coupled with the branding imagery making it easier to remember whatever struck us most about the commercial and, most importantly, the company the commercial belongs too.

Can you cram all that into single 15-second commercial?

Nope. Well, not unless you're a marketing maverick with Houdini-like advertising skills.

Plus, depending on the word count of your script, the length of the commercial will affect the speed of the voice-over. If it's too fast it may affect the listeners ability to recall the message.

A series of three .15's can be an effective approach if each commercial taps into each one of the memory banks but if the reason you're thinking about producing a 15-second spot is due to low budget concerns then three .15's just isn't a viable option.

So, perhaps you're thinking 60-seconds will be ideal then. Consider it carefully. To the average viewer 60-second commercials feel long and drawn out. Even if, theoretically, each memory system should be triggered by the commercial the effectiveness is lost at about the 45-second mark. That's when most people simply tune out, resulting in poor brand recall later.

Studies completed by the World Advertising Research Center have shown that 30-seconds are ideal in order to effectively tap into all three components of a good brand-building television commercial. It's enough time to make an emotional and intellectual connection with the viewer.

30-seconds is the right amount of time to make a television commercial that's creative, memorable, and engaging enough to entice the viewer to learn more - which is to say, pick up the phone or drive to the store and purchase the product or service.

Isn't that the point anyway?

So, should you save those single 15-second time slots for bumpers, liners, and sweepers?

If your goal is to connect with your consumers on television and see a return on your marketing investment, work with 30-second commercials.

It's money better spent.

ŠiStockphoto.com/lolloj

Related Topics: Effectiveness, Length, Tips, TV Commercials


Comments


    By economic necessity, national TV probably gets it right much of the time, while web advertisers often far exceed 30 seconds. And given that their stuff intrudes just as you are about to read or watch something you really want, I wonder how long people linger before hitting skip?

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