Question

A scientist conducted laboratory tests to measure the effects of different fertilizers on plant growth. Describe which type of data source was used in this study and explain your reasoning.(1 point)
Responses

It is a primary data source because the scientist conducted laboratory tests to gather original data.
It is a primary data source because the scientist conducted laboratory tests to gather original data.

It is a secondary data source because the scientist used previously published research articles.
It is a secondary data source because the scientist used previously published research articles.

It is a secondary data source because the scientist observed plants in a natural setting.
It is a secondary data source because the scientist observed plants in a natural setting.

It is a primary data source because the scientist analyzed government agricultural reports.

Answer 1

It is a primary data source because the scientist conducted laboratory tests to gather original data.
Primary data are collected firsthand (experiments, measurements, surveys), whereas secondary data come from existing sources like published articles or government reports.