Table 5.

Balanced Accuracy Performance Change using Enhancement Strategies.

Dataset	Dreaddit	DepSeverity		SDCNL	CSSRS-Suicide
Model	Task #1	Task #2	Task #3	Task #4	Task #5	Task #6	$\overline{\Delta }$–All Six Tasks
$\Delta -{\text{Alpaca}}_{ZS\_\mathit{\text{context}}}$	↑ +0.019	↑ +0.045	↑ +0.023	↑ +0.004	↑ +0.014	↑ +0.018	↑ +0.021
$\Delta -{\text{Alpaca}}_{ZS\_mh}$	↑ +0.000	↑ +0.055	↑ +0.013	↓ −0.011	↑ +0.006	↑ +0.004	↑ +0.011
$\Delta -{\text{Alpaca}}_{ZS\_\mathit{\text{both}}}$	↓ −0.053	↑ +0.037	↓ −0.010	↑ +0.039	↓ −0.007	↓ −0.010	↓ −0.001
$\Delta -{\text{Alpaca-LoRA}}_{ZS\_\mathit{\text{context}}}$	↓ −0.035	↓ −0.047	↓ −0.094	↓ −0.030	↑ +0.027	↑ +0.027	↓ −0.025
$\Delta -{\text{Alpaca-LoRA}}_{ZS\_mh}$	↓ −0.071	↓ −0.047	↓ −0.105	↓ −0.005	↑ +0.017	↑ +0.029	↓ −0.031
$\Delta -{\text{Alpaca-LoRA}}_{ZS\_\mathit{\text{both}}}$	↓ −0.071	↓ −0.048	↓ −0.051	↓ −0.003	↓ −0.023	↑ +0.037	↓ −0.027
$\Delta -{\text{FLAN-T5}}_{ZS\_\mathit{\text{context}}}$	↑ +0.004	↑ +0.011	↓ −0.018	↑ +0.010	↓ −0.018	↓ −0.040	↓ −0.009
$\Delta -{\text{FLAN-T5}}_{ZS\_mh}$	↓ −0.043	↑ +0.003	↓ −0.030	↑ +0.005	↓ −0.013	↓ −0.046	↓ −0.021
$\Delta -{\text{FLAN-T5}}_{ZS\_\mathit{\text{both}}}$	↓ −0.055	↓ −0.003	↓ −0.007	↑ +0.002	↓ −0.010	↓ −0.036	↓ −0.018
$\Delta -{\text{LLaMA2}}_{ZS\_\mathit{\text{context}}}$	↓ −0.062	↑ +0.014	↓ −0.019	↑ +0.000	↑ +0.031	↑ +0.106	↑ +0.012
$\Delta -{\text{LLaMA2}}_{ZS\_mh}$	↓ −0.102	↑ +0.018	↓ −0.033	↑ +0.053	↑ +0.004	↑ +0.031	↓ −0.005
$\Delta -{\text{LLaMA2}}_{ZS\_\mathit{\text{both}}}$	↓ −0.136	↑ +0.011	↑ +0.016	↑ +0.054	↓ −0.002	↑ +0.067	↑ +0.002
$\Delta -\text{GPT-3}{\text{.5}}_{ZS\_\mathit{\text{context}}}$	↑ +0.003	↑ +0.011	↓ −0.060	↑ +0.157	↑ +0.007	↑ +0.031	↑ +0.025
$\Delta -\text{GPT-3}{\text{.5}}_{ZS\_mh}$	↓ −0.006	↓ −0.006	↑ +0.039	↑ +0.116	↓ −0.093	↑ +0.077	↑ +0.021
$\Delta -\text{GPT-3}{\text{.5}}_{ZS\_\mathit{\text{both}}}$	↓ −0.005	↓ −0.015	↑ +0.014	↑ +0.172	↑ +0.047	↑ +0.020	↑ +0.039
$\Delta -{\text{GPT-4}}_{ZS\_\mathit{\text{context}}}$	↑ +0.006	↑ +0.000	↑ +0.001	↑ +0.000	↓ −0.007	↑ +0.023	↑ +0.004
$\Delta -{\text{GPT-4}}_{ZS\_mh}$	↑ +0.025	↓ −0.035	↑ +0.067	↑ +0.002	↓ −0.023	↓ −0.022	↑ +0.002
$\Delta -{\text{GPT-4}}_{ZS\_\mathit{\text{both}}}$	↑ +0.018	↓ −0.031	↑ +0.061	↑ +0.003	↓ −0.063	↓ −0.006	↓ −0.003
$\overline{\Delta }$–All Six Models	↓ −0.031	↑ +0.000	↓ −0.011	↑ +0.032	↓ −0.006	↑ +0.017	↑ +0.000
$\overline{\Delta }$–Alpaca, GPT-3.5, GPT-4	↑ +0.001	↑ +0.007	↑ +0.017	↑ +0.053	↓ −0.013	↑ +0.015	↑ +0.013

The green/red color indicates increased/decreased accuracy. This table zooms in on the zero-shot section of Table 4. ↑/↓ marks the ones with better/worse performance in comparison.