. 2021 Feb;64:101468. doi: 10.1016/j.techsoc.2020.101468

Table 6.

Average expected cowpea income and land productivity by training status.

Sample	Training decision		Treatment effect
Sample	To train	Not to train	Treatment effect
Adoption (1/0)
Trained	0.78	0.03	ATT = 0.75 (0.04)***
Non-trained	0.85	0.62	ATU = 0.23 (0.03)***
Heterogeneity effects	BH₁₁ = −0.07	BH₁₂ = −0.59	TH₁₁ = 0.52
Yield (kg/hectare)
Trained	888.21	769.59	ATT = 118.62 (53.20)**
Non-trained	719.57	826.45	ATU = −106.88 (41.57)**
Heterogeneity effects	BH₂₁ = 168.64	BH₂₂ = −56.86	TH₂₁ = 225.50
Cowpea income (GHS)
Trained	1470.40	1181.84	ATT = 288.56*** (110.85)
Non-trained	1349.61	1096.08	ATU = 253.53***(74.35)
Heterogeneity effects	BH₃₁ = 120.79	BH₃₂ = 85.76	TH₃₁ = 35.03

Notes: The numbers in parentheses associated with ATT and ATU are standard errors. Exchange rate: US$1 = GHS5.37 (Bank of Ghana, 2019). ***p < 0.01, and **p < 0.05.