Validity and Reliability

Using ProQuest  locate a research study that pertains to your topic  Is the data valid and reliable?  Cite examples of data from the study that you considered valid and reliable and explain why. How important are validity and reliability in data collection? How do the results of your critical analysis of the data contribute to the validity and reliability of your literature source?  Include a link or reference to the chosen study.

My topic is Behavior Modification in Children