Identifying Research Methodology.

( https://edition.cnn.com/2017/05/04/health/babies-screen-time-speech-delays-study/index.html .) and answer the below questions.1. What type of study was the study by Dr. Birken and colleagues – Correlational or Experimental?2. What were the variables involved?3. Can you draw the conclusion that screen use causes speech delays from this study?-If yes, why can you draw this conclusion?-If no, can you provide an alternative explanation for this finding? How might you design an alternative study that tests whether screen use causes speech delays?Part B: Search for a peer-reviewed article ( http://lynn-library.libguides.com/articles ) on the topic and summarize the results.