Rule reminder
Causal conjunctions operate across a register spectrum: INFORMAL: perché, visto che, dato che. NEUTRAL-FORMAL: siccome, visto che, dal momento che, dato che. FORMAL: poiché, in quanto. VERY FORMAL/LITERARY: giacché, poiché, participio assoluto, causal gerund. The same cause can be expressed at different registers. Choosing the right register is essential in professional and academic Italian.
You are writing an official university report. Which is most appropriate?