 Alderfer categorized the lower order needs (Physiological and Safety) into the Existence category. He fit Maslow's interpersonal love and esteem needs into the Relatedness category.
<coherence>  Alderfer categorized the lower order needs (Physiological and Safety) into the Existence category. He fit Maslow's interpersonal love and esteem needs into the Relatedness category.
 Alderfer categorized Maslow's physiological needs and Maslow's safety needs into the existence category, Maslow's interpersonal love and esteem needs into the Relatedness category.