Complex sentence: Let\\ Beta_n and\\ theta_n be the measures of two attributes of person "n" and let\\ hat be a maximum likelihood estimate of\\ beta_n derived from application of a measurement model, such as the Rasch model.
Split into simpler sentences: Let\\ Beta_n and\\ theta_n be the measures of two attributes of person "n". Also, let\\ hat be a maximum likelihood estimate of\\ beta_n derived from application of a measurement model, such as the Rasch model.