Hi Abass,
Thank you for your post. I agree with you in regards to what you wrote that “If the instrument do not adequately measure the concepts or lack the validity and reliability, the study may be invalid.” I was reading a few examples and I came across one that explains reliability and validity goes hand in hand. The example that stood out for me was a customer named Joe who goes to the ice cream shop every day after work at 5pm. By 5:05pm, he gets his milkshake and he swears by it that it’s the best milkshake he ever tasted. So, for almost a week, he goes to the ice cream shop after work and orders the same thing with the same soda clerk. One day, he decided to bring his friend and ordered milkshakes. When his friend tasted the milkshake,
Thank you for your post. I agree with you in regards to what you wrote that “If the instrument do not adequately measure the concepts or lack the validity and reliability, the study may be invalid.” I was reading a few examples and I came across one that explains reliability and validity goes hand in hand. The example that stood out for me was a customer named Joe who goes to the ice cream shop every day after work at 5pm. By 5:05pm, he gets his milkshake and he swears by it that it’s the best milkshake he ever tasted. So, for almost a week, he goes to the ice cream shop after work and orders the same thing with the same soda clerk. One day, he decided to bring his friend and ordered milkshakes. When his friend tasted the milkshake,