13 matches were found
- Wednesday, March 27, 2002 #5176
What does the term "half life" mean and how is it calculated?
- The Media Guru Answers(Saturday, March 30, 2002 ):
The actual term "half life" refers to the time it takes half of the radioactivity in a radioactive object to decay. The Guru is not aware of this term as a standard media usage, though it might be applied to something like awareness decline after advertising stops.
- Tuesday, February 26, 2002 #5121
If an advertiser cuts their typical TV schedule in half for three months, can we guage any residual effect in the following three months even if they return to normal levels.
- The Media Guru Answers(Wednesday, February 27, 2002 ):
One old rule of thumb was that about 10% of the previous week's awareness is lost each week without advertising. A collateral rule was that about 10% of the GRPs were added back to reach if some advertisng ran.
So, if awareness was 80% and you had been running 100 GRP per week, after one week without advertisng, awareness would fall to 72%. But if you ran 50 GRP instead of nothing, you could gain back 5 points.
Obviously, this scenario will always show an awareness loss in any week with less than 100 GRP, no mattere the ratio to prior weeks GRPs. It is overly simplistic, but may be directionally useful.
- Friday, September 07, 2001 #4702
I am looking for info on awareness decline to defend continuity scheduling. I have found in the archives your reference to 5-10% decline per week of no advertising and would like a bit more meat than the
rule of thumb. Can you tell me more about it? And
how does the 5-10% decline come off of the awareness:
60% *.95 or .9 = 54-57% or 60% -5 or 10% = 50-55%?
I'm also referencing recency. These questions are to
help me build a model of some sort. Thanks.
- The Media Guru Answers(Friday, September 07, 2001 ):
The meaning is 60*.95 or *.9. This way it's asymtotic, like reach. The other way, no awareness would remain from any starting level after 10 to 20 weeks.
- Tuesday, August 21, 2001 #4671
I have a client that wants to build awareness and they are already have a 30% awareness so is there a way we can translet building awareness to a reach %?
- The Media Guru Answers(Sunday, August 26, 2001 ):
No, too many variables. Some rules of thumb, when you consider awareness directly correlated with reach, are:
- Awarenss is never higher than cume reach
- awareness begins to decline as soon as advertsing stops
- Friday, October 06, 2000 #3873
Hi Guru. Do you have any information about "Decay Reach" or "Decayed Reach"? My client asked me about it. I know "Decay GRP" but I've never heard of "Decay Reach". Does reach decay? Is it a popular concept?
- The Media Guru Answers(Sunday, October 08, 2000 ):
This is not a familiar term to the Guru. It might refer to awareness decline after consumers are reached.
- Thursday, July 13, 2000 #3618
On July 5 you responded to a question regarding the
decline of brand awareness due to reduced advertising
activity. You indicated that the "formula predicts that
a brand running low GRPs per week loses awareness and
a brand with no activity loses 5-10% of the previous
week's awareness each week." I would love to pass this
information along to some clients. Is there a source
I can quote?
- The Media Guru Answers(Thursday, July 13, 2000 ):
"5-10%" is a general summary of experience with various estimates the Guru has found over many years.
The Guru has been told that some people are quite comfortable citing the
"AMIC Media Guru, http://www.amic.com/guru/index.html"
as an information source.
It shouldn't need documentation to understand that awarenness will decline when there is no advertising. It also seems easy to assume that it will be like an inverse reach curve:
constantly approaching 0% in constantly decreasing increments.
No doubt many supporting studies are available through The Advertising Research Foundation InfoCenter. For details about the InfoCenter, call 212-751-5656, extension 230.
- Friday, October 15, 1999 #2876
Can you explain the difference in "awareness curves" and "reach curves"
- The Media Guru Answers(Sunday, October 17, 1999 ):
The "curve" reference in both cases simply means that both of these metrics can be comapared on a simple x/y graph and the result, whether reach or awareness (the dependent variables) charted against total exposures or toal spending (the independent variables), creates a line that is a curve. In other words. each increment of input yields somewaht less gain in reach or awareness than the prior increment.
But reach is a simple, process, it merely counts the different people exposed to advertising. awareness measures retention of message or recallable knowledge of product or advertising. awareness may be seen to decline when messages cease to eb delivered, but once someone has been reached, they've been reached. The curves are different. Reach can even be the independent variable in plotting awareness.
- Thursday, August 19, 1999 #2726
I buy a base level of 500 Ad 18-49 TRP's per week; a typical flight will run 4 weeks --- for a total of 2000 TRP's. From this base buy, we usually split the base buy in 1/2 trafficking in two different spots (1000 / 1000 TRP's). At what level do you think that wear out will occur? Thanks for your help.
- The Media Guru Answers(Thursday, August 19, 1999 ):
What is your definition of wearout? A frequency level? A decline in ad awareness? A sales decline? There are may ways to set wearout.
One of the oldest, and easier to use because it is defined entirely by media measurement, is a certain frequency level in the next-to-highest quintile, perhaps a frequency of 20.
Depending on daypart mix, this might mean wearout at about 2000 GRPs for a spot.
- Monday, October 12, 1998 #2090
We are intending to shift to awareness led planning where we set media weights according to the awareness benchmarks .
I would like to know if there re any clear cut guidelines to foollow. Are there any experiences that can be shared ..
- The Media Guru Answers(Monday, October 12, 1998 ):
The Guru's only sure guidelines are that ad awareness will never be greater than reach, and that awareness declines during any advertising hiatus.
Otherwise, the best resource for published research, as always, is the library of the Advertising Research Foundation.
- Thursday, May 28, 1998 #1610
1.Please, where can I find "Archives" by topic?
2.I have seen a table showing awareness Level correlat
ed to Target GRPs.Could you, please, tell me how they
estimate awareness Level?
3. I also have seen a table showing Audience engagement
in various activities when average commercial is aired.
Would you, please, tell me how the information is obtain
ed? Is it from a national panel? If yes, does this panel
also provide audience data? Thank you, Inocima.
- The Media Guru Answers(Tuesday, June 02, 1998 ):
1) The Guru Archives may be accessed from their link on the Media Guru Page. In the next few days, we will be adding a search engine to allow you to find all all past Guru answers on the topics of your choice.
2) The Guru isn't familiar with the table you have seen. Since you are writing from Brazil, it could be based on research totally unfamiliar to the Guru. The proper way for such a table to have been created would use just estimates of awareness, but actual survey results. An advertiser or agency which has conducted many awareness studies and correlated them with actual GRP's of the plans running in synchronization with the studies could create such a table.
In fact, just a few actual measurements could be the basis of a table if it is assumed that the awareness / GRP relationship follows some sort of curve as does the Reach / GRP relationship. The Guru is familiar with one formula for predicting awareness based on GRP, which came from analyzing several plans and surveys. In essence, it predicted that when there was any significant starting awareness, awareness declined in any week where there were less than 100 GRP.
3) Again, Brazil's audience engagement data is not familiar to the Guru. In the U.S. such data usually comes from secondary sources such as our Simmons or MRI, which ask these questions but are primarily print audience and product usage studies.
- Saturday, May 23, 1998 #1602
I am looking for any guidelines / research about:
1- number of spots for radio (sustaining level, 50% heavy up, 100% heavy up
2 - if I have continues strategy what maximum gap of not being on air may I allow without harm to sales (one week, two, three?)
3 - in my country (Russia) we have practice in outdoor not to place competitors on two opposite sides of billboard, ahzt I think is not correct, as each face of billboard works for different directions and can not compete with each other. What is the practice regarding this in other countries. Thank you very much.
- The Media Guru Answers(Tuesday, May 26, 1998 ):
1) The Guru doesn't judge radio effectiveness in terms of numbers of spots. If one schedule of 12 spots, for example, has an average rating of 0.5 (one-half of 1 percent of the target audience), which is common, it cannot be considered equal to another station's 12 spots with an average rating of 2.5 (also reasonable for top stations in the US). The first accumulates 6 GRPs and might reach 3% of the target, the second accumulates 30 GRPs and might reach 12-15% of the target.
So GRPs' or other audience measure are more realistic ways to determine levels. Having done this, if you determine that 100 GRPs, for example, is the correct sustaining level, then by simple arithmetic, 50% heavy-up is 150 GRPs and 100% heavy-up is 200 GRPs
2) awareness begins to decline as soon as there is any advertising gap. Current thinking is that sales of a continuously purchased product are better supported by continuity at whatever level is affordable rather than an arbitrary minimum effective weekly level, separated by periods of inactivty. The U.S.'s Advertising Research Foundation has considerable literature on the topic and so might ESOMAR , the European Survey, Opinion and Market Research organization
3) The Guru agrees with you regarding opposite sides of a billboard. The competitive protection policies the Guru is familiar with in the U.S. only deal with advertising seen by the same audience, that is, traffic headed in the same direction. Usually there will be a certain range specified, such as "Within 500 feet" for metropolitan 8-sheet boards, which are about 5x12 feet and can be placed in dense concentration within cities.
- Tuesday, May 13, 1997 #1345
Since "PRICING WEB SITE ADVERTISING" was first
published (it's not dated but I'm guessing '96?) have
there been any 'advances' in the methodology for
pricing web advertising beyond either the ModemMedia
model or the alternatives suggested?
I am not an advertising professional (and they said us
geeks use obscure achronyms?), and I am also looking
for a concise FAQ type document that might explain the
formulae and jargon (CPM, Frequency, Impressions in
your excellent on-line dictionary and Depth which
isn't) within the context of web advertising. Are there
and other specific media terms (new or old) that are
pertinent in a web advertising context (I got page
view and hits)? Thank you.
- The Media Guru Answers(Wednesday, May 14, 1997 ):
The AMIC article was wriiten in the latter part of 1995, not
long after the appearance of the Internet
World May 1995 article which it discusses.
By the way, please be aware that AMIC has added a new area, called I-Trac, which discusses web terms and measurement
and which includes a Web Glossary
In terms of newer thinking, consider the critqued article's central
1.Determine the ratio of hits between the web site's log and
the number of file "hits" that make up the page carrying the
ad. Divide logged hits by number of hits making up the
page to calculate what we can call "page views." Then
call page views "reach."
Since then, the software which interprets log files has
developed so that it can distinguish pure "hits" from the more relevant page requests
or "page views" . Hits today is taken to refer to any
line in a log file, even errors. (Ad) Page requests is the
analog to traditional media's "impressions".
2.Determine repeat viewing of that
page and call that frequency.
We more commonly use
"frequency" in terms of whole campaigns
success of viewings of that billboard ad in moving readers
to the actual web site and call that "depth."
measurement concept has come to be called "click-through" or ad click rate. Depth was a term
only used as defined in this Internet World article.
Today pricing is generally based on cost per thousand
(CPM) impressions. Rates seem to range from $15 cpm for the
broadest, general audience sites' rotating banners, through
$50 or so for search engines' keyword banners up to $100+ for
"premium audience" on highly targeted business to business
Another pricing model growing in popularity is "price per
click," which charges for each vistor who clicks on a
banner. The problem here is that the site hosting the
banner must rely on the creative to generate viewr response
-- it isn't all the effect of the web site itself. Therre
is considerable literature today about how to influence
clicks, as well as a growing body of research which argues
for the awareness building effects of the banners,
regardless of clicking response.
Finally, simple revenue based models are the rising
concept. In this, sites hosting banners are compensated
with a portion of the transaction revenue generated by web
surfers they send to retail type sites. An offshoot of this
is a model for ad placement agency compensation based on
the revenue generated by their placement of ads at
- Tuesday, May 07, 1996 #1226
How many times can a print ad run before it wears out?
- The Media Guru Answers(Wednesday, May 08, 1996 ):
The only answer to such a question is "it depends."
How powerful/interesting/competitive is the ad?
What reach and frequency is being developed as the ads insertions repeat.
How many different magazines versus repeats in the same titles.
What is your definition of "wear out?" decline in awareness, decline in incremental sales, frequency of exposure in the top quintile or top 2 quintiles?
. . .it depends.