Question

Which example is of researcher bias in interpreting data?

A scientist wishes to determine the area of an ice sheet. To do so, he relies on spectrographic images sent by satellite.


A health official investigates the spread of HIV in her city. She takes a census of the HIV status of every adult resident.


A geologist wants to determine whether the water level of an aquifer is declining. To find the answer, he digs a well.


A researcher seeks to prove that babies smile at two months old. She counts some confused expressions as smiles.

Answer 1

A researcher seeks to prove that babies smile at two months old. She counts some confused expressions as smiles.

Step-by-step explanation:

This is the answer because its not actual date due to the fact she's using her opinion to decided whether or not the expression a baby is making is a smile, whereas the other answers had factual data involved.