solved The Purpose of our Study: The purpose of this study

The Purpose of our Study: The purpose of this study is to evaluate how facial masks impact accurate emotion identification. 
Introduction

This section of your paper should introduce the topic(s) of focus, present previous research on the topic, and make the case for the purpose and hypotheses of your study.  Specifically, this section should:

Review the research literature on the topic(s) of interest (at least 8 sources incuded)
Provide key definitions
Describe what is currently known about the topic/topics
Discuss strengths and weaknesses of previous research
Discuss empirical literature/prior research and theory, and how it informs the current study rationale, aim/purpose, hypotheses