A.
A literature review summarizes existing research broadly, while a systematic review uses rigorous, predefined methods to identify, appraise, and synthesize all relevant studies on a specific question. ✓
B.
A literature review is always quantitative, while a systematic review is always qualitative. ✓
C.
A literature review is conducted by one person, while a systematic review is conducted by a team. ✓
D.
A literature review is published before a study, while a systematic review is published after. ✓