... drivers than women would be best done through observations. Each method of research will provide the researcher with one of two types of data; either qualitative or quantitative. (Kline, 2000) The experimental method in psychology supports the idea that psychology should be classed as a science. The use of experiments in psychological research began in the nineteenth century and developed with the rise in statistics and behaviourism in the early twentieth century. They are used as a means of answering questions and testing hypotheses and predictions. Scientific experiments provide quantitative data. They produce results that allow the researcher to generalise and form statistical graphs that are precise and accurate. (Kopala & Suzuki, 1999) An experiment is a test of cause and effect relationships by collecting evidence to demonstrate the effect of one variable on another. A variable is any characteristic that can vary across people or situations that can be ...

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