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Assessing descriptive statistics in the form of raw data is often a critical component of primary research when constructing an experiment, where the experimenter then can have control over the various variables affecting the specific phenomena that is being studied. the, in the actual experiment, the tendency of other information to influence statistical results can be restricted or taken into consideration, and a control, or unaffected group can be included to see what the population resembles without the experimental variable. Descriptive statistics, in short, can be useful, but many variables can affect their results, so they cannot always be relied upon.
In contrast, "inferential statistics are used to help psychologists draw inferences, or conclusions, from the data obtained from their research" ("Statistics in psychology," 2008, Encyclopedia of Psychology). For example, inferential statistics are collected when researchers test if watching a particularly violent film makes a group of subjects more apt to agree that violence is a valid response when asked questions about their behavior in various situations afterwards. Their responses to researchers' questions can be statistically compared with the responses of individuals who watched a non-violent film who were asked the same questions ("Statistics in psychology," 2008, Encyclopedia of...
For example, Stanley Milgram's famous electric shock experiments discovered that people given instructions to commit horrific acts were more compliant with authority when instructions were given in certain formats, versus other formats (Milgram Experiment, 2008, New Life). The ability to yield objective data and validate a hypothesis has enabled statistics to play a critical role in making psychology accepted as a science. Statistics are an invaluable tool in creating a rigorous approach to psychology that is genuinely based upon scientific, 'hard' data.
Works Cited
Research: The scientific method. (2008). SIEM HI Research Retrieved 15 Oct 2008 at http://islands.unep.ch/siemh1.htm
The Milgram Experiment. (2008). New Life. Retrieved 15 Oct 2008 at http://www.new-life.net/milgram.htm
Statistics in psychology. (2008). Encyclopedia of Psychology. FindArticles.com.
15 Oct. 2008. http://findarticles.com/p/articles/mi_g2699/is_0003/ai_2699000331
Statistics
Works Cited
Research: The scientific method. (2008). SIEM HI Research Retrieved 15 Oct 2008 at http://islands.unep.ch/siemh1.htm
The Milgram Experiment. (2008). New Life. Retrieved 15 Oct 2008 at http://www.new-life.net/milgram.htm
Statistics in psychology. (2008). Encyclopedia of Psychology. FindArticles.com.
15 Oct. 2008. http://findarticles.com/p/articles/mi_g2699/is_0003/ai_2699000331
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