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All video (main page)

  • The Empirical Cycle
  • Stakeholder identification and description in problem analysis
  • Comparing stakeholders in problem analysis
  • Decision making and Research Questions
  • Different types of Research Questions
  • Developing empirical research questions
  • Units and Variables in Empirical Research questions
  • Concepts and facets
  • Intension and Extension of Concepts
  • Intension and Extension of Judicial concepts
  • Conceptualizing ordinal variables
  • Dimensions of concepts
  • Conceptualization using interviews
  • Variables as constructions
  • Causality and Explanation
  • Time order in causal relationships
  • The effect of Third Variables
  • Various types of bivariate relationships
  • Constructing causal models in problem analysis
  • Describing social problems
  • Case studies
  • Research Designs for Testing Bivariate Hypotheses
  • The validity of causal research
  • The Experiment
  • Cross sectional studies
  • Interrupted time series
  • Sampling
  • Units of analysis and units of observation
  • Types of data collection methods
  • Measurement level of Variables
  • Measurement Validity and Reliability
  • Measurement reliability
  • Measurement validity
  • Operationalization and Measurement
  • Indices, scales and typologies
  • Factor analysis and factor loadings
  • Factor analysis with more than one factor
  • Selecting factors in factor analysis
  • Rotating factors in factor analysis
  • Interpreting factor loadings in factor analysis
  • Doing factor analysis
  • Data Collection - Survey
  • Data Collection - Types of survey questions
  • Data Collection - Improving survey questions
  • Data Collection - Further improving survey questions
  • Content analysis
  • Non comparative content analysis
  • Observation
  • Interviews
  • Validity and reliability threats in interviews
  • Scale construction
  • Item writing
  • Pilot testing a scale
  • Assessing scale quality
  • Classical test theory and reliability
  • Cronbach's alpha
  • Test re-test reliability
  • Identifying problematic scale items
  • Latent traits and items
  • Item characteristic curves
  • Dealing with dichotomous outcomes
  • Checking a measurement instrument
  • Guttman models
  • Computerized Adaptive testing (CAT)
  • Interpreting bivariate tables
  • The effect of Third Variables: general
  • The effect of Third Variables: confounding
  • The effect of Third Variables: interpretation
  • The effect of Third Variables: modification
  • The effect of Third Variables: addition
  • Analyzing trivariate tables: general
  • Analyzing trivariate tables: confounding
  • introduction SPSS
  • (Broad format) data matrix
  • Missing values
  • SPSS for absolute beginners
  • A data matrix in SPSS
  • Frequency tables
  • Cross tabs (making a cross tab)
  • Recoding and creating a variable
  • Changing variables in SPSS using recode
  • Merging data files
  • Ethics in research
  • Confirmation bias
  • Central tendency: mode, median and mean
  • IQR and box plot
  • Variance and standard deviation
  • Z-scores
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