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Psychology (9,685)
PSYB65H3 (479)
Ted Petit (185)
Chapter

PSYB65 Ch 3

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Department
Psychology
Course
PSYB65H3
Professor
Ted Petit
Semester
Fall

Description
PSYB65 Ch 3 Techniques in NeuropsychologyThe Scientific Method is composed of some common rules that neuropsychologists follow it has its roots in the principles of objectivity and replication or confirmation of results by using standardized testsmeasurements Empirical method the word empirical means observation and the method refers to the way scientists gather info using standardized tests or measurements w a high level of objectivityReplication employed by researchers to ensure that initial observations didnt occur by chance and that the effects of in the study are generalizable to ppl beyond those who participated in the first study Although much of the research in neuropsych relies on studying ppl who have had some type of neurological injury one of the main goals of neuropsych is to understand how the neurologically intact brain produces bhvr Control refers to the ability to manipulate something of interest to determine its effects it also includes the ability to exclude unwanted variables f the study it also refers to have an appropriate comparison sample so that deviations f this sample can be observedControl includes the ability to exclude unwanted variablesconfounding variables unwanted variables that may affect the outcome of the study leading the research to make false conclusions about the effects observedBeyond the principles of control replication and the empirical method other common features of research studies areResearch is directed by a prediction which determines the methods usedthis predictionhypothesis is the question that directs research formed as statement that can be falsifiedhelps avoid asking questions that are too vague and questions that cannot be disproved It will also define how we will study our question including definitions of what variables are of interest to usindependent variable the research manipulates this factor to determine how the bhvr of interest is affected dependent variable the responsebhvr that the experimenter measures these bhvrs should be directly related to the manipulation of the independent variable Much of the research in neuropsych is only quasiexperimentalthat is ethically and practically we cannot manipulate the independent variable directly we cant give half the participants frontal lesions while using appropriate control methods on the other half Also many studies w nonhuman animals there may be inherent differences in our sample due to variables out of our control like envt nutrition or education In quasiexperimental studies experimenters employ converging operations the use of a number of studies that approach the question f a variety of perspectives and the examination of the results to support a common conclusionF 19301965 much of psychology was dominated by the study of the white laboratory ratresearchers presumed that there were minimal basic differences bhvral and neural among most mammalian speciesthis study of nonhuman animals was used to bring insight into psychological constructs like learning memory and emotionality Nonhuman animals offered greater objectivity and precision and allowed the researcher to control all of the aspects of the life cycle
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