September 19 2013
Is research error-free?
There is always a probability that our result may not be true. This is why there are replications of
We are all human beings and both researchers and participants have biases , expectations and worries
and can affect the results.
Our expectations affect us more than we think.
Sugar-pill. Fake drug that patient claim makes them feel better. It is in their head.
Video amphetamines **
Experiment bias (We know what is suppose to happen so we act like it) The researcher might say too
much and make observations that are not real because he/she has been working on the study for so
Solution: Double-blind process.(Not knowing the condition)
We want to leave a positive impression on other people.
Hawthorne effect. The participant are trying to do better, work harder. Hawthorne because they were
trying to look at the productivity depending on light. The experiment did