Time Period Average Estimates Explanation (continued) 6► The numbers and symbols in the WEEKBY-WEEK ADI TVHH ratings columns (1-4) indicate the viewing levels for the station during the time period, expressed as ratings, and also the week of the survey the program was shown. A station will have a rating reported for each week it was on-the-air provided at least a .5 rating was attained Ratings are estimates of the percentage of television households in the ADI which viewed the station during an average quarter-hour of the time period for the survey week, reported to the nearest whole percent multiplied by 100 to give a whole number. Ratings are reported on the same line as the title of the program which was telecast that week by the station. A dash in any of the weekly ratings columns indicates that a reportable rating of 5 was not achieved. This does not imply that no viewing occurred. A blank indicates that the station was off the air for all quarter-hours of the time period for that week. If a station was off-the-air all weeks of the survey, the call letters would not be listed for this time period. If a station is off the air for one quarter- hour of a half-hour time period, N.O.A. is used to denote Not On Air and a dash is printed to indicate the week. If a station telecast two programs during a time period reported by half-hour, the title for the first quarter-hour appears first followed by the second quarter-hour title. In the ratings column for that week, the average quarterhour ratings for each program are reported in the same column, as shown. In markets where the ADI four-week in-tab diary goal is less than 280, weekly ratings are not reported, and are replaced by asterisks in the weekly ratings columns. Weekly titles are reported, and the "*" is used to denote the week or weeks the program is telecast. Since asterisks are used throughout the weekly programming portion of the Time Period Average Estimates section in place of all ratings, HUTS and dashes, the example given here does not totally reflect the condition. 7 Weekly estimates of the number of Households Using Television (HUT) are reported on the last line of each time period. HUTS are the estimate of the percentage (X100) of all TV households in the ADI viewing all sta tions, during an average quarter-hour of the time period in the survey week. The figure represents unduplicated households because multi-set households in which viewers may have been watching more than one station simultaneously are counted only once, regardless of the number of sets in use. HUT also includes viewing to stations whose audiences were too small to meet minimum reporting standards, and unidentified viewing. Because of these conditions, the HUT estimate may differ from the sum of the individual station ratings reported for the time period. 8all stations which did not telecast the A four-week average line is reported for same program during the time period for all weeks of the survey. ADI TV household ratings reported here 9 are averages of the weekly ratings reported on the same line. If the program was telecast two weeks, this rating is the average of the TV households viewing those two weeks. Also, if a station telecasts different programming one or more weeks, a four-week average rating is reported which estimates the viewing during an average quarter-hour of the time period for all weeks that the station was on-theair during the survey period. A TVHH rating is an estimate of the number of TV households in the ADI that viewed the station during an average quarter-hour of the time period, expressed as a percent of all TV households in the ADI and reported as a whole number. A 17 rating, therefore, means 17%. To arrive at average quarter-hour estimates, all viewing is tallied for each quarter-hour in the time period for the week(s) involved and divided by the total number of quarter-hours tallied, producing an estimate of the viewing audience for an average quarter-hour of the time period. The average HUT for this time 10 period for all weeks of the survey is the average of unrounded weekly HUTS, reported as a whole number. A HUT of 57 means that 57% of the TV households in the ADI viewed television during an average quarter-hour of the time period. Time Period Average Estimates Explanation (continued) 11 The total of households viewing Shares in the Time Period Average 16 reportable stations during an Estimates section are calculated using the rounded rating and HUT reported for that time period. The rating divided by the HUT equals the share, thus the share expresses the estimated percentage of the viewing households which viewed a particular station during an average quarter-hour of the daypart average quarter-hour of the time period is reported on the HUT/TOTAL line. It is the sum of the four-week TV household projections for each reported station and does not include viewing to non-reported stations. for the weeks) the program was telecast or the 17 The projected total of the number weeks of the survey the station was on the air. 12 Metro ratings, shares and HUT are estimates of viewing in Metro TV households only. In non-ADI markets with a home county rating area, the Metro estimates are for the home county. In multi-metro of persons in the sexage group which are viewing reported stations during an average quarter-hour of the time period is the sum of the four-week projections to each station. Persons viewing non-reported stations are not included in the total. TSA projections and ADI ratings markets, the TV household ratings for Metro 2 18 based on one week of the viewing are reported in the shares column, and shares are not reported. For an explanation of TV household ratings, shares and HUT, see 9, 10 and 11 above. 13► A blank in either the ADI or Metro TV household columns indicate that a minimum reportable rating of 5 was not attained. It does not imply that no viewing occurred. In markets which do not qualify for weekly ratings, TV household ratings based on one week of viewing will be left blank. This does not indicate that a reportable rating was not attained. 14 Station shares of HUT and HUTS are reported for four previous surveys, and provide seasonal viewing trends for that station in the time period. Share trends are reported for four-week estimates only and are reported on the same line with the four-week TV household rating and share for the current survey. They reflect the time period regardless of the programming and take into account the changing HUT levels, which vary from survey period to survey period. A blank indicates that the station was not on-the-air. A double asterisk (**) indicates that share trends are not available. In November reports, for the 33 October measured markets, October trends will replace July trends. In February reports, for the 22 January measured markets, January trends will replace July trends. In non-sweep reports, one year ago trends will replace July trends. are reported for TV households and all demographic groups (this market is ranked in the top 15 group). 19 Except as noted in 18 above, blank in a TSA demographic projections column or ADI demographic ratings column indicates that a minimum reportable projection of 500 or rating of 5 was not attained for that sex/age group. It does not imply that no viewing took place. |