A scientist wants to study the effects of morning temperatures on flower width. Which is most likely a source of error in this scientific experiment? The distance calipers were recalibrated before each data collection session. The control group flowers were a day older than the experimental group flowers. The measurement units were not converted during the data analysis phase. The flower width data were collected at about the same time every day.

Question

A scientist wants to study the effects of morning temperatures on flower width.  Which is most likely a source of error in this scientific experiment? The distance calipers were recalibrated before each data collection session. The control group flowers were a day older than the experimental group flowers. The measurement units were not converted during the data analysis phase. The flower width data were collected at about the same time every day.

anonymous · Answer

the flower width data were collected at about the same time every day.