A researcher is conducting a study on the effectiveness of a new educational program. They only report results from the group of participants who showed the most improvement and ignore the results from the rest of the participants. Which of the following best describes the type of bias this researcher has engaged in?Question 1Answera.P-hackingb.Sampling biasc.Cherry-pickingd.None of the above

Which of the following best describes sampling bias?Group of answer choicesThe systematic error introduced by researchers during data analysis.The tendency of a sample to contain too few observations.The unintentional favoring or exclusion of certain groups within a population during the sample selection process.The process of randomly selecting individuals from a population for a study.The process of selecting a representative subset of a population for a study.

Which of the following best describes a source of bias in a sample? A non-random sample Lack of research funding A random sampleFailure to obtain ethics approval

Which of the following are examples of sampling bias? Select all that apply. 1 分A clinical study includes three times more men than women. An election poll only interviews people with college degrees.A teacher gives higher grades to essays written in their own writing style.A survey of students does not include homeschooled students.

Select one type of bias and describe how to minimize it in a scientific investigation

Which of the following sources is more likely to contain personal biases?Group of answer choicesConference presentation (summary of research findings)Peer-reviewed academic journal article (detailed report of research findings)News editorialNews report