Section 47 - Carbon Credits (Carbon Farming Initiative—Aggregated Small Energy Users) Methodology Determination 2015 - Difference between change in control group emissions and change in treatment group emissions

47Difference between change in control group emissions and change in treatment group emissions

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47 Difference between change in control group emissions and change in treatment group emissions

The statistical significance (if any) of a difference, for a measurement period in the reporting period, between:

(a) the change, between the relevant pre‑treatment period and the measurement period, in mean daily emissions of greenhouse gas at sites in the treatment group in a population in the project; and

(b) the change, between the relevant pre‑treatment period and the measurement period, in mean daily emissions of greenhouse gas at sites in the control group in the population;

is worked out using the hypothesis test (hypothesis test 2):

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where:

H0 means the hypothesis (the null hypothesis) that there is no difference between:

(a) the change, between the pre‑treatment period and the measurement period, in the mean daily emissions of greenhouse gas at sites in the treatment group; and

(b) the change, between the pre‑treatment period and the measurement period, in the mean daily emissions of greenhouse gas at sites in the treatment group under a counterfactual scenario.

Note: For the definition of counterfactual scenario, see section 5.

∆φT means the change, between the pre‑treatment period and the measurement period, in the mean daily emissions of greenhouse gas at sites in the treatment group, in tonnes CO2‑e per day, under a counterfactual scenario.

∆ET means the change, between the pre‑treatment period and the measurement period, in the mean daily emissions of greenhouse gas at sites in the treatment group, in tonnes CO2‑e per day, worked out using equation 10.

Halt means the hypothesis (the alternative hypothesis) that the change, between the pre‑treatment period and the measurement period, in the mean daily emissions of greenhouse gas at sites in the treatment group under a counterfactual scenario is greater than the change, between the pre‑treatment period and the measurement period, in the mean daily emissions of greenhouse gas at sites in the treatment group.