AP PSYCHOLOGY

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RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Lisa is conducting a study on hours of TV watched throughout one’s lifespan. She begins by taking a group of two 10 year olds, three 15 year olds, three 20 year olds and so on (increments of 5 years, up to 35 years of age.) Which method of research is she using?
A
Cross sectional study
B
Experimentation
C
Longitudinal study
D
Case study
Explanation: 

Detailed explanation-1: -Experimental research allows the identification of causal relationships between entities or events. Successful experimental research depends on well-defined research hypotheses that specify the dependent variables to be observed and the independent variables to be controlled.

Detailed explanation-2: -Longitudinal study So, once again, researchers do not interfere with their subjects. However, in a longitudinal study, researchers conduct several observations of the same subjects over a period of time, sometimes lasting many years.

Detailed explanation-3: -Correlational research is a type of nonexperimental research in which the researcher measures two variables and assesses the statistical relationship (i.e., the correlation) between them with little or no effort to control extraneous variables.

Detailed explanation-4: -Cross-sectional research designs are used to examine behavior in participants of different ages who are tested at the same point in time.

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