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Psychology: The Scientific Method

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The scientific method is a convenient way of making observations, collecting data, making decisions, and interpreting outcomes. Psychologists from all around the world use the scientific method to help manage their research. Psychologists make use of the scientific method because they need to be able to describe, explain, and predict mental processes or behaviors. Within the scientific method are hypotheses, variables, results, and conclusions. A hypothesis is a prediction that will be tested in an experiment; researchers and psychologists always start off with this. An example of a hypothesis is if a student skips class on Monday, Wednesday, and Friday, their grades will drop down. This example can be falsifiable because the student’s skipping …show more content…
There are two significant classifications of the observational method such as naturalistic observation and laboratory observation. Naturalistic observation involves observing objects in their natural habitat; this type of research is often used in a situation where doing lab research is expensive or would disorderly affect the subject’s behavior (Cherry, n.d.). In a laboratory observation, study subjects are brought into a laboratory setting to be researched on; laboratory observations can also give greater control over the subjects (Moyer, 2014). Laboratory observations allow psychologists to gather data more efficiently than they are able to do in a natural …show more content…
This method relies on controlled methods, random assignment and the manipulation of variables to test a hypothesis (Cherry, n.d.). Psychologists are able to manipulate the independent variable and observe the dependent variable. The independent variable is a component in the experimental method that can be changed or manipulated (Cherry, n.d.). The dependent variable can be affected by changes in the independent variable; it’s the variable that is being measured in the experiment. The dependent variable relies on the independent variable. The experimental method also include psychologists splitting subjects up into groups known as experimental group and control group; both groups receive the same treatment , but one gets something different. Psychologists manipulate one part of the experiment in the experimental group, but do not manipulate it in the control group; the variable that becomes manipulated is the independent variable. Experimental group subjects are exposed to one version of the treatment; whereas the control group serves to compare and contrast the effect of the

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