In this lesson, our instructor Charles Schallhorn talks about the various kinds of statistics researchers can work with in Psychology, and the various ways they can present their data (like in a histogram). He also explains the concepts of mean, median, and mode, standard deviation and what a p-value is.
Descriptive Statistics summarizes numbers so they become more meaningful and easier to communicate to other people
Inferential Statistics are used for making decisions, for generalizing from small samples, and for drawing conclusions
Number Scales include nominal, ordinal, interval, and ratio
Numbers can be graphically represented by frequency distributions, histograms, and frequency polygons
Measures of central tendency are mean, median and mode
Measures of Variability include variability, range and standard deviation
Standard Deviation illustrates how compressed or spread out a set of scores are
The normal curve is used to visualize variability
Inferential Statistics are used to determine whether or not findings can be applied to the larger population from which the sample was selected
Statistical Significance: Degree to which an event is unlikely to have occurred by chance alone—this is called the p-value
Most psychological research will be at the .05 level
Research Methods: Statistics
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
This book features an effective, 5-step plan to guide your preparation program and help you build the skills, knowledge, and test-taking confidence you need to succeed. This fully revised edition covers the latest course syllabus and provides 2 full-length practice tests that reflect the latest version of the exam, as well as access to online AP Psychology quizzes.
This book that preps you for the AP Psychology Exam includes 2 full-length practie tests with detailed explanations, thorough subject reviews for all test topics, from sensation and perception to abnormal psychology, and proven techniques to help you score higher.
This book is an updated manual that offers detailed preparation for the AP Psychology exam with features that include: three full-length exams (one diagnostic test and two full-length practice tests), and a review of all AP test topics, including research methods, the biological basis of behavior, sensation and perception, states of consciousness, learning, cognition, personality, abnormal psychology, and treatment of disorders. It also includes fifteen additional multiple-choice practice questions for each unit with explained answers, and an analysis of the test's essay section with a sample annotated essay.
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