{"version":"1.0","type":"link","title":"Instrument effect - Newikis","description":"The instrument effect is an issue in experimental methodology meaning that any change during the measurement, or, the instrument, may influence the research validity. For example, in a control group design experiment, if the instruments used to measure the performance of the experiment group and…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}