social work (Read questions please)

Using your readings, podcasts, and independent research as needed...

1. Please define scientific reliability and validity.
2. Discuss whether in your opinion some conceptual construct or an evaluation tool (a measure, an instrument, a scale) can be unreliable but still be considered valid? Whether your answer is yes or no provide your argument and offer the references for it.
3. After reviewing the Beck and Hamilton Depression Scale Podcasts and accompanying readings, select the one that you believe is the better scale, and offer your reasons for why.

Please follow the instructions. APA format 1-3 pages double space. please use the material provided for the reference page and in-text required. Videos will be posted below and other documents attached.

https://www.youtube.com/watch?v=Yr817Iy5pfo

https://www.youtube.com/watch?v=_LYuoeqmzs4

https://canvas.fsu.edu/courses/128733/pages/how-to-select-validation-studies-for-use-in-the-research-paper-of-instruments-slash-measures-slash-scales?module_item_id=1937198

for these video link above, I will be attaching the transcripts