Suppose a researcher wants to inves

Suppose a researcher wants to investigate how much aggression children exhibit during school recesses.
The observer would systematically look for particular behaviors that are concretely defined before the observation begins.
The observer might stand at the edge of the playground and systematically record how often aggressive behaviors occur.
How do we know how accurate the observer is?

Hasil (Bahasa Indonesia) 2:

Misalkan seorang peneliti ingin menyelidiki berapa banyak anak agresi pameran selama relung sekolah.
Pengamat sistematis akan mencari perilaku tertentu yang konkret didefinisikan sebelum pengamatan dimulai.
pengamat mungkin berdiri di tepi taman bermain dan sistematis merekam seberapa sering perilaku agresif terjadi .
Bagaimana kita tahu seberapa akurat pengamat adalah?