Answer:
They should tested more people
Explanation:
To conduct an experiment, they have to collect many data, repeating the experiment multiple time, design the study etc .
The method used in this scenario is wrong, the outcome of their experiment is based on one sample and the experiment was only conducted once with test of validity.
The result gotten this research may had been because of preference in their reading environment
Joe might like listening to music while he studied which gives him edge to performed well.
Before they can come to a conclusion, they have to involve many individuals in the study
The definition for alliance is a treaty or formal agreement of two nations to cooperate for certain purposes. It is also the state of being allied. Members of alliance are called allies.
They join together to fight common enemies. They arise from states attempts to maintain equal power between them.
Jessica is suffering from agoraphobia. Agoraphobia is type of phobia which involves avoidance. The more a person avoids certain situations which scares her-that fear is increasing. Because of that, agoraphobia is getting stronger if is not treated in time (person remains to live in very small circle of situations in which she feels safe).
