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    Cards (123)

    • Research is the systematic method of finding out what is out there
    • Research Process
      1. Identifying a Problem
      2. Reviewing Literature
      3. Specifying Purpose
      4. Collecting Data
      5. Analyzing and Interpreting Data
      6. Reporting Research
    • Areas of Psychological Research
      • Psychobiology
      • Cognition
      • Human Development
      • Social Psychology
      • Psychotherapy
    • Ways of Finding Out
      • Surveys and census
      • Images and drawings
      • Experiments
      • Lived Experiences
      • Interviews
      • Documents
      • Daily life
    • Sources of Knowledge
      • Superstition
      • Intuition
      • Authority
      • Tenacity
      • Rationalism
      • Empiricism
      • Science
    • Goals of Science
      • Description
      • Explanation
      • Prediction
      • Control
    • Reviewing the Literature
      1. Selecting the Problem
      2. Literature Review
      3. Library Research
      4. Journals
    • Abstract
      A brief description of the entire paper that typically discusses each section of the paper (Introduction, Method, Results, and Discussion)
    • Introduction
      It has three basic components: an introduction to the problem under study; a review of relevant previous research; and the purpose and rationale for the study
    • Method
      It is generally divided into Subjects (or Participants), Materials (or Apparatus), and Procedure subsections
    • Results
      It summarizes the data collected and the type of statistic(s) used to analyze the data
    • Discussion
      The results are evaluated and interpreted
    • Ethical Standards in Human Participants
      • Informed Consent
      • Informed Assent
      • Risks
      • Deception
      • Debriefing
    • Statistics
      A branch of mathematics that involves the data collection, analysis, and presentation
    • Research and Statistics in Psychology
      • Organize Data
      • Describe Data
      • Make inferences based upon data
    • Population
      The entire group of individuals that the researcher wants to study
    • Sample
      A small group of individuals selected from a population, usually picked to describe the population
    • Variable
      A characteristic or condition that is not constant - it can change or has different values for different individuals
    • Levels of Measurement
      • Nominal
      • Ordinal
      • Interval
      • Ratio
    • Two Categories of Statistics
      • Descriptive Statistics
      • Inferential Statistics
    • Probability Sampling
      • Simple Random Sampling
      • Stratified Random Sample
      • Cluster random sample
    • Non-Probability Sampling
      • Convenience Sample
      • Purposive Sample
      • Quota Sample
      • Snowball Sampling
    • Frequency distributions are a way of presenting data that makes the pattern of the data easier to see
    • Class Interval Frequency

      Individual scores are combined into categories, or intervals, and then listed along with the frequency with which each interval occurs
    • Snowball sampling

      A sampling technique in which existing subjects provide referrals to recruit samples required for a research study
    • Frequency distributions are used to illustrate the processes of organizing and describing data
    • Frequency distributions make the pattern of the data easier to see
    • After the scores are ordered, the data can be condensed into a frequency distribution - a table in which all of the scores are listed along with the frequency with which each occurs
    • The relative frequency is the proportion of the total observations included in each score
    • Class interval frequency
      Individual scores are combined into categories, or intervals, and then listed along with the frequency scores in each interval
    • A rule of thumb when creating class intervals is to have between 10 and 20 categories
    • Calculating class interval width
      Subtract the lowest score from the highest score and then divide the result by the number of intervals you want
    • Types of graphs used to display distributions
      • Bar graphs
      • Pie charts
      • Line graphs
      • Histogram
      • Stem plot or stem and leaf plot
    • Descriptive statistics
      Numerical measures that describe a distribution by providing information on the central tendency of the distribution, the width of the distribution, and the distribution's shape
    • Measures of central tendency
      Representative numbers that characterize the "middleness" of an entire set of data (mean, median, mode)
    • Mean
      The most commonly used measure of central tendency, calculated by adding all the scores together and dividing by the total number of scores
    • Median
      Used when the mean may not be representative of the distribution
    • Mode
      The score in a distribution that occurs with the greatest frequency
    • Skewed distribution
      Distributions in which the mean, median and mode are located in predictably different positions
    • Positively skewed distribution

      • The peak is to the left of the center point, and the tail extends toward the right
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