EDPSY 101 - Research Methods & Statistical Analysis: Data Visualization

Flashcards based on key concepts from the EDPSY 101 lecture on Data Visualization.

What are the types of graphs discussed in the lecture?

Histograms, Population Pyramids, Boxplots, Bar Charts, Scatterplots.

What does a histogram represent?

A histogram plots the scores on the x-axis and their frequency on the y-axis, helping to identify the shape of the distribution, skewness, kurtosis, and unusual scores.

What are the components of a boxplot?

The boxplot includes a box that shows the median and quartiles, and whiskers that indicate the range of scores and limits of the top and bottom 25%.

What is SPSS?

SPSS stands for Statistical Package for the Social Sciences, a software used for data analysis and visualization in research.

What are the four main variable types in SPSS?

Numeric, String, Currency, and Date.

What is the purpose of error bars in a bar chart?

Error bars display the precision of the mean through confidence intervals, standard deviations, or standard errors.

What does a scatterplot show?

A scatterplot displays the relationship between two continuous variables and helps detect trends and correlations.

What is a population pyramid?

A population pyramid is a graphical illustration that shows the distribution of various age groups in a population, typically used to depict the demographic structure.

How should graphs be designed according to Tufte (2001)?

Graphs should show the data, induce thought about the data rather than the graph itself, avoid distortion, minimize ink usage while presenting data, encourage comparisons, and reveal data clearly.

What is the function of the Chart Builder in SPSS?

The Chart Builder in SPSS allows users to create various types of charts and graphs by selecting variables, editing properties, and visualizing data.