Instructions:
This is 4 comments on students post. Two students for 3-1 and two students for 3-2. Three one students are Rachel andTheresa, 3-2 there is Theresa and Rachel in text citations one reference for each comments must be schollary I have added the chapters 5-8 take what you need it might help you for your comments. I need in 4 days. I have added all material and the four students post are added
Content:
Four Students Comments 3-1 & 3-2
Name
Institution
Date
3-1: Rachel
It is true that researchers need to be concerned about research validity and reliability by evaluating their assessment procedures and tools. The validity of an experiment is about conducting a credible evaluation of the hypothesis of both independent and dependent variables (Sheperis, Young & Daniels, 2017). Some of the threats to internal validity include poor planning, how much study participant change over time during research, bias selection of participants, instruments used and dropout rates of participants during research
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