Limitations of Infant Perception Research Techniques Include Which of the Following

Multiple Choice

Limitations of infant perception research techniques include which of the following?

A) Unreliable observations
B) Responses are difficult to quantify
C) Determining if response is due to the particular stimulus presented
D) Unreliable observations and responses are difficult to quantify
E) Unreliable observations, responses are difficult to quantify, and determining if response is due to the particular stimulus presented