By the end of this section, you will be able to:Describe the different research methods used by psychologistsDiscuss the strengths and weaknesses of case studies, naturalistic observation, surveys, and archival research
Short video which describes the difference between a sample and a population.
This sample syllabus for a course on planets, exoplanets, and SETI (using the OpenStax Astronomy textbook) may help beginning instructors think through what sorts of things they might want to put on a syllabus. It can also provide guidance on how to select key sections of the textbook for a course that doesn’t have time to cover everything.
Use data from multiple samples to draw inferences about a population and investigate variability in estimates of the characteristic of interest.
Psychology is designed to meet scope and sequence requirements for the single-semester introduction to psychology course. The book offers a comprehensive treatment of core concepts, grounded in both classic studies and current and emerging research. The text also includes coverage of the DSM-5 in examinations of psychological disorders. Psychology incorporates discussions that reflect the diversity within the discipline, as well as the diversity of cultures and communities across the globe.Senior Contributing AuthorsRose M. Spielman, Formerly of Quinnipiac UniversityContributing AuthorsKathryn Dumper, Bainbridge State CollegeWilliam Jenkins, Mercer UniversityArlene Lacombe, Saint Joseph's UniversityMarilyn Lovett, Livingstone CollegeMarion Perlmutter, University of Michigan
By the end of this section, you will be able to:Describe the different research methods used by psychologistsDiscuss the strengths and weaknesses of case studies, naturalistic observation, surveys, and archival researchCompare longitudinal and cross-sectional approaches to research
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Sample
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Students learn about one method used in environmental site assessments. They practice soil sampling by creating soil cores, studying soil profiles and characterizing soil profiles in borehole logs. They use their analysis to make predictions about what is going on in the soil and what it might mean to an engineer developing the area.
This 11-minute video lesson shows how to use the variance of a sample to estimate the variance of a population. [Statistics playlist: Lesson 14 of 85]
Students use DNA profiling to determine who robbed a bank. After they learn how the FBI's Combined DNA Index System (CODIS) is used to match crime scene DNA with tissue sample DNA, students use CODIS principles and sample DNA fragments to determine which of three suspects matches evidence obtain at a crime location. They communicate their results as if they were biomedical engineers reporting to a police crime scene investigation.