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Conducting monitoring and evaluation - Fact sheet by W766SDWu

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									                FOOD AND GARDEN ORGANICS BEST PRATICE COLECTION MANUAL:
                          IMPLEMENTING YOUR SCHEME – FACTSHEET 13 –
                              CONDUCTING MONITORING AND EVALUATION
                                                  Following the initial role out period of a new
Conducting                                        service, customer service staff, and waste
                                                  education and collection staff may not be as
Monitoring and                                    busy delivering material or responding to
                                                  inquiries and issues. There may therefore be
Evaluation                                        more resources available to do more detailed
                                                  monitoring and evaluation of the new system
One of the main reasons to undertake              such as visual inspection of individual bins to
monitoring and evaluation is to understand how    get a snapshot of participation rates and
a service, scheme or communications               variation in contamination levels between
campaign is performing so that you can identify   households.
opportunities for improvement. For example,
quantifying the amount of garden and food         Both in the first few months of a new service
organics currently collected in the residual      and at least yearly, it is valuable for decision
waste bin and assessing this in terms of the      makers and householders to be made aware of
season, alternate garden organics services and    the progress made; for example: x tonnes of
programs, and local commitment to recycling,      organics diverted from landfill, generating x
will provide an understanding of the amount of    cubic metres of compost, x % of householders
organics likely to be collected by a new service. participating,    and     x%      contamination.
                                                  Celebrating householder efforts may encourage
Careful monitoring and evaluation of data         further participation, increased diversion and
collected from trials may provide useful          closer consideration of contamination.
information on which to base decisions when
designing a new full service. For example:        Rewarding and recognising householders for
whether the communication material and            doing the right thing with their organics
methods are effective           in    encouraging recycling can motivate people to continue their
participation and ensuring low contamination      positive behaviours and take further action.
levels and whether investment in caddies and      Rewards could include financial rewards, for
liners is necessary for all households.           example vouchers, donations to charities, cash
                                                  or discounts on goods and services.
There are fundamental differences between         Recognition could, for instance, include
monitoring and evaluating a trial and the full    personalised feedback about how much a
implementation of a new service. Thousands        household has recycled, or a letter about how
rather than hundreds of houses will be receiving  donating an item for reuse has helped the local
the new service, the service will be offered for  community.
numerous years rather than weeks or months,
and the purpose of the evaluation is more likely  Choice of ongoing monitoring and evaluation
to be for fine tuning a service rather than to    methods will depend on the Key Performance
evaluate the costs and benefits of delivering the Indicators (KPIs) chosen for the new service.
service. This means that monitoring of a full     During the planning stages, SMART objectives
scheme using the following indicators:            will have been set thus informing the type of
                                                  monitoring that will be undertaken on an
       Number of and nature of phone calls       ongoing or periodic basis (see Factsheet 8).
        received on help line
                                                  The level of monitoring and evaluation will
       Gross tonnage of organics received at     change throughout the life of the project. Initially
        the processing facility                   monitoring and evaluation may be undertaken
       Feedback from waste collection staff and  regularly until the KPI are consistently met.
        organics processor on suburbs or          Monitoring may then become more periodic.
        collection routes regarding impressions   Towards the end of a collection or processing
        of contamination and participation rates. contract monitoring may be again increased in
                                                  order to inform the decisions about whether to
may be more appropriate than direct               inform, modify or discontinue the service.
measurements such as:
     Door to door and focus             group
      discussions with residents
     Household by household compositional
      audits of bins.
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               FOOD AND GARDEN ORGANICS BEST PRATICE COLECTION MANUAL:
                      IMPLEMENTING YOUR SCHEME – FACTSHEET 13 –
                        CONDUCTING MONITORING AND EVALUATION
Monitoring methods                                                When to Measure                How

There are various methods that can be                             1 Pre- campaign         1      Tonnage Data
employed to demonstrate the effectiveness of a                    (identify a baseline)
scheme including:                                                                                Participation rates
                                                                  2 During the            2      Set-out rates
Method                          How?                              campaign
                                                                                                 Capture rates
1 Tonnage data analysis, for    Request data from facility        3 Post Campaign         3
example increased tonnage       operator                                                         Contamination rates
of organics and decreased
residual waste tonnage
                                                                 Sampling
2 Waste auditing, per bin, or   Contract specialist
aggregated via a visual         company to undertake             Conducting monitoring often requires collection
waste audit, or physical        composition analysis             of data from a sub-set of the population of
waste characterisation                                           interest. Sampling is the process of identifying a
                                                                 sub-set that will mirror the population of
3 Set out and participation     Identify area, conduct           interest. This will enable making reliable
rate monitoring, for example    visual inspection on (3          generalisations about the whole population. The
identifying 80% of all          consecutive) collections,        steps in a sampling process are as follows:
organics bins are put out for   record households who
                                                                       Define (profile) the population of interest
collection but only 50% of      have placed bin(s) out for
                                                                        – decide which factors are important. Use
them contain food organics      collection.
                                                                        socio-demographics.

4 Organics capture analysis     As method 2, conduct a                 Decide how to obtain a sample that is
                                tailored waste audit                    reflective of this profile.
                                                                       Decide how precise the results should be
5 Stakeholder feedback          Conduct focus groups                    – the required sample size will depend on
                                and / or surveys (door to               this. For participation monitoring and
                                door, roadshows, events,                questionnaire surveys, 3% precision (with
                                public places)                          a 95% confidence interval) is sufficient
                                                                        which means a sample size of 1,100.
6 Communication evaluation      Compare baseline data                   Sample sizes smaller than 1,100 are
                                and results of above                    viable but the results become less
                                methods in areas you                    precise as the sample size gets smaller.
                                targeted with your
                                communications
                                                                       Design the monitoring in a way which
                                campaign
                                                                        reduces bias.
                                                                       Conduct the monitoring and collect the
                                                                        data.
In the initial weeks of implementing a service it                      Weight the data to match the target
might be beneficial to use monitoring                                   population.
techniques that allow for rapid evaluation and
response. Data from a compositional audit may
take several weeks to analyse, whereas a
visual assessment of the level and type of
contamination in a truck load of waste
deposited on the floor of a processing facility is
instantaneous.       The  less   accurate     but
instantaneous data can be fed into the
contamination and risk management plans
developed in the program planning stages, and
corrective measures can be taken before
incorrect      recycling  behaviours    become
entrenched.

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              FOOD AND GARDEN ORGANICS BEST PRATICE COLECTION MANUAL:
                     IMPLEMENTING YOUR SCHEME – FACTSHEET 13 –
                       CONDUCTING MONITORING AND EVALUATION
Target population
Demographic profiling can be used to ensure
that the sample is representative of the target
population. Profiling is the process of describing
the target population from which the sample will
be drawn. How the target population is profiled
will depend on which factors have been decided
to be important to the study. Profiling provides
useful insights about population and gives
detailed socio-demographic information for
categories such as age, gender, social grade,
ethnicity, employment status, income levels,
housing types and tenure. This information
provides a good basis for defining key
characteristics of the target population, which
can be taken into account when selecting the                                           All households in the
sample. Property types and the urban/rural                                             local authority, 50%
property mix will also be relevant when                                                red, 50% yellow and
characterising the target population.                                                  the representative
                                                                                       sample, 50% red,
Representative sample                                                                  50% yellow
When undertaking detailed monitoring such as
                                                         All households in
household compositional audits it is important           Sample size
                                                         the local authority
to understand the principles of sample selection
as it will be too costly to audit all households.
                                                         and sample must be of a sufficient size in order
                                                         The the sample
Samples should be randomly selected from                 to be confident the results obtained for the
areas representative of the total population             sample can be generalised to the target
being analysed and be of sufficient number that          population.
variation between samples can be accurately              If the sample chosen is not representative of
measured. For example sampling only                      the target population with respect to a key
committed recyclers from larger households               factor of relevance to the topic being monitored,
and with large gardens will result in higher             there is risk of biasing the results.
organics figures in terms of kg/hh/wk, than
single person households living in multiunit             For surveys where people can choose whether
dwellings. Similarly with questionnaires and             to participate or not, you will have to try to
surveys, although these may be distributed to            contact more people than the required final
all households return rates will usually mean            sample size. The expected response rate for
you have a sample only. Evaluation of the                the survey will indicate how many people you
results needs to take into account whether the           might need to contact. The response rate
respondents are representative.                          depends on the type of survey and how it is
                                                         presented.
The sample must be made up of households or
people      with      an    overall     profile
(social/demographic) that matches the target
                                                         Evaluation
population. This is called a representative              The information you collect during monitoring is
sample. The results from observing or speaking           only useful if you spend some time analysing it
to a sample of the target population can be              to understand what it is telling you. You will
generalised to that population provided the              need to interpret the data by comparing it with
sample is representative.                                other information such as previous data of the
                                                         same type or findings from other areas.




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              FOOD AND GARDEN ORGANICS BEST PRATICE COLECTION MANUAL:
                     IMPLEMENTING YOUR SCHEME – FACTSHEET 13 –
                       CONDUCTING MONITORING AND EVALUATION
Looking at changes over time                              Identify areas for
You should be looking to compare the
                                                          improvement?
monitoring data with the same type of data from           As well as identifying potential service changes
any previous monitoring you’ve done to identify           to improve performance, by looking at the
any patterns or trends such as increases or               monitoring data you are also in a position to
decreases in figures over time. The previous              identify any useful lessons learned.
information, or baseline data as it is sometimes
known, provides a useful benchmark against                Having obtained and analysed the data, you
which to compare subsequent results. It is                should be in a position to identify potential
important to have baseline data if you want to            areas for improvement. Consider, for example:
measure impact (for example. before and
during a pilot trial).                                         Are there areas with particularly low
                                                                tonnage figures?
It is also important to understand the changing
                                                               Do you have any areas with low
context when comparing data over time, as
                                                                participation rates, low capture rates or
other factors can influence the data set. For
                                                                high levels of contamination?
example, changes in behaviour including
increased waste avoidance can reduce the                       Is there a particular type of contamination
amount of material diverted.                                    affecting the service / scheme?
                                                          In addressing these types of questions about
Looking at differences between                            performance levels, you will need to spend
areas                                                     some time identifying the issues that are
                                                          affecting the service / scheme.
As well as looking at differences over time, you
may want to compare similar data across                        Do households have everything they
different areas that have different types of                    need to participate effectively (for
systems and/or different demographics.                          example the right container, the right
                                                                information, knowledge of collection
Looking at different types of                                   days)?
data together                                                  Are the collections happening effectively
In addition to comparing similar types of data to               or are there service problems (for
each other, you will also need to look across all               example missed collections, overflowing
the different types of data you have collected to               communal bins)?
see if they tell you anything useful about the                 Are there extraneous factors that may be
underlying causes or factors that might be                      affecting performance (for example
affecting performance. If, for instance, you have               vandalism of storage sites, an increase in
a scheme that is poorly performing on a                         population following an influx of migrant
particular round, you may want to look at                       workers)?
different bits of data to understand why. It may
be, for instance, that participation rates are            To answer some of these questions you need
generally quite high but that contamination is            to look at sources of data such as surveys,
also high, resulting in rejection of containers by        complaints and feedback to call centres, and
crews and therefore low capture. You can only             focus groups. You may find that you don’t have
establish this by looking at different sets of data       enough information to form an opinion and
for that round, such as participation rates,              need to do some more data gathering before
tonnage figures and capture rates.                        you can draw any conclusions. Be sure to do so
                                                          before pressing on to decide on potential
                                                          improvements.




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                FOOD AND GARDEN ORGANICS BEST PRATICE COLECTION MANUAL:
                          IMPLEMENTING YOUR SCHEME – FACTSHEET 13 –
                             CONDUCTING MONITORING AND EVALUATION
Case Study – Waverley                            Unfortunately due to budget constraints, the
                                                 methodology used for the bin audits did not
and Randwick councils                            produce statistically rigorous data. Further,
                                                 some of the bins audited were no longer part of
Waverley and Randwick councils jointly           the trial and other variables such as seasonal
implemented a home composting trial in 2009      variation were not accounted for. To counter
called the ‘Compost Revolution’ involving 580    this, results were cross-checked with other
residents over 12 months. The trial involved     projects and NSW averages to rule out
providing the sample of residents in both single anomalies.
and multi-occupancy dwellings with a compost
bin or worm farm (or access to a communal        Another complication that arose in measuring
compost bin) and a 7.5 L kitchen caddy to use    the effectiveness of the program was to account
in the kitchen. The compost revolution ‘brand’   for the impact of avoided food waste. The use
was developed along with a series of training    of both a ‘compost tally’ system and a ‘food
workshops, group events and educational          diary’ study provided information to estimate not
resources.                                       only the amount of food that was composted
                                                 but also the degree to which households
The key objectives of the project were to:       changed behaviour to reduce the overall
                                                 amount they wasted. While waste is normally
       Trial a method of diverting food waste
                                                 measured by weight, the councils found that
        from landfill other than a food waste
                                                 volume was easier for participants to measure
        collection system
                                                 themselves in the home. Participants were to
       Determine an approach that is effective  use their 7.5 L kitchen caddy and a “caddy
        in a densely populated urban area        recorder” (a fridge magnet) to tally the number
                                                 of buckets they emptied into the compost each
       Demonstrate the social, environmental
                                                 week. In the ‘food diary’ study, households
        and economic benefits of home
                                                 were requested to record a range of food-
        composting
                                                 related activities on a daily basis over a week,
       Develop effective methods to assist      which provided an insight into the behaviours
        residents in avoiding food wastage.      that resulted in food waste avoidance or the use
                                                 of the compost system.
Monitoring and evaluation was built into the
project planning, allowing on-going adaptive     After the success of the initial 12-month trial,
management and adjustment of the program         the councils decided to roll out the program to
activities and approach. Monitoring of changes   the wider community. In mid-2011 they
in the quantity of food organics disposed was    developed an online tutorial of the practical
the most challenging part of the evaluation      composting workshops to improve the cost-
strategy. Several methods were used in           effectiveness of the approach. Initial results
combination to determine quantitative results    indicate that the online version is very effective,
relating to food waste diversion and these       with at least 90% of the 600 people who viewed
included:                                        the online tutorial still using their compost or
                                                     worm farm 8 months later. The website and
     Garbage bin audits – bin composition
                                                     program branding has now been made
      including the weight of food disposed to
                                                     available to other councils in Australia for a
      garbage bins in main categories and sub-
                                                     small fee.
      categories was measured before, during
      and after the trial                            The quantitative results relating to food waste
     Food composting tallies – volumes of           diversion which were measured through the
      food disposed to composts were tallied         above three methods are outlined in the
      on-the-spot and then reported online by        following table.
      participants every 3 months through a
      detailed feedback survey
     Food behaviour diaries – detailed
      diaries of food purchasing, preparation
      and disposal habits were kept by a
      subsample of trial participants.


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                 FOOD AND GARDEN ORGANICS BEST PRATICE COLECTION MANUAL:
                        IMPLEMENTING YOUR SCHEME – FACTSHEET 13 –
                          CONDUCTING MONITORING AND EVALUATION
Table 1: Food organics diversion results
Information       Average          Comments
Source            amount
                  diverted
Compositional     1.8-2.3 kg per   Results differed
Bin Audit         week per         between the
results           household        audits, 1.8kg was
                                   thought to be
                                   lower than actual
                                   due to wrong bins
                                   being included in
                                   sample in the
                                   final audit, 2.3kg
                                   was the mid-trial
                                   result
Participants      3.75 kg per      Converted from
‘food waste       week per         volume to weight
Tally’ results    household        based on 240L
                  4.55 kg for      food waste
                  SUDs             weighing 100kg
                  2.95 kg for
                  MUDs.
‘Food Diary’      5.01 kg per      Actual results
results           week per         from weighing
                  household        discarded food



Lessons Learnt:           A key lesson that the
councils learnt through this project was to use
methods that actively involved participants in
the evaluation process. This not only led to
collection of more useful data but also served
as an effective tool to improve engagement,
deepen the learning experience and promote a
feeling of empowerment and contribution.

Further information:
www.compostrevolution.com.au




                                                            NB: Information in this factsheet is taken from the Food and Garden

                                                            Organics Best Practice Collection Manual (2012) published by the

                                                            Department of Sustainability, Environment, Water, Population and

                                                            Communities. The full document is available on the department’s website

                                                            www.environment.gov.au/wastepolicy/publications/organics-collection-

                                                            manual



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