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- Now let's talk about our last two threats to Internal Validity.
- "Demand Characteristics" is when participants understand or know the purpose of the experiment in which it can changes their behavior subconsciously in order fit that scenario
- It best to avoid it since it effect the results so in order to deter this bias, researcher may use deception to conceal the true purpose of the study
- However when conducting a study its also important to look out of how well you can make the participants feel comfortable and at ease
- As it refers to when some participants drop out during the experiment which may become a problem if the dropouts are random
- So in order to not deal with the "Experimental Mortality" threat its best when designing an experiment the conditions are made a certain way where the participants don't feel the need to drop out
- The last one being the "Experimenter Bias" where in situations the researcher unintentionally exerts an influence onto the results of the study
- To make sure this doesn't happen its good to standardize the methods and procedures to minimize differences in experimenter-subject interactions
- Wow that sure is a lot to look out for during a study
- Sure is
- Well this is the end of today's special we hope you will join us next time
- THANK YOU <3
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