Answer:
Low; unselective.
Step-by-step explanation:
Signal Detection Theory is the theory that was developed during world war 2 research. The purpose of this theory is to measure the sensory system or sensation. It also helps in detecting the stimulation amount in our body. Threshold is the tool that psychologists use in this theory to determine this amount.
The given statement is an example of signal detection theory.
According to this theory, the words that correctly fills the space are low threshold and unselective to reach out potential dates.