Complex sentence: Critical ethnography, applies a critical theory based approach to ethnography, and focuses upon the implicit values expressed within ethnographic studies, and on the unacknowledged biases that may result from such implicit values.
Split into simpler sentences: Critical ethnography, applies a critical theory based approach to ethnography. It focuses on the implicit values expressed within ethnographic studies and, therefore, on the unacknowledged biases that may result from such implicit values.