Data (Observational Studies and Experiments ( (Blinding- Blinding is the…
Data (Observational Studies and Experiments, Samples And Surveys, Experiment, Bias (Bias- favoritism present in the data collection process that gives misleading results. An example of a bias survey is telephone marketing surveys because it will miss people who do not have telephones, or who choose not to answer the phone.
Sources- a source is a person, or data that has information that can be used for research , experiments and survey purposes. A source can also have its own bias, which gives misleading information and results
Direction- the direction of bias can be either positive or negative. A positive bias is when the observed effect is higher than the true value. A negative bias is when the observed effect is lower than the true value