Soal SMA · Soal cerita · Kesulitan 4/5
A hospital implemented a hand hygiene campaign and saw a 20% drop in infection rates. However, they also introduced a new sterilization protocol for equipment at the same time. What can be concluded?
- A.The hand hygiene campaign was effective.
- B.The new sterilization protocol was effective.
- C.Both interventions together likely contributed to the drop, but their individual effects cannot be separated.
- D.The drop in infections was due to chance.
Kunci jawaban & pembahasan
Jawaban: Both interventions together likely contributed to the drop, but their individual effects cannot be separated.
Because both interventions were introduced simultaneously, their effects are confounded and cannot be isolated.
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