Frank Sulloway's Data on Birth Order Have Been Criticised Because

question 15

Multiple Choice

Frank Sulloway's data on birth order have been criticised because

• A) The sample size is small
• B) The data do not reach significance
• C) The effect sizes are very small
• D) The data were self-selected

---

Definitions:

Nominal Variables

Variables categorized into discrete groups or categories without a natural order or ranking.

Pie Charts

A type of graph that represents data as slices of a circle, with each slice size proportional to the quantity it represents.

Nominal Variables

Nominal variables are categorical data without a natural order or ranking among the categories.

Bar Charts

A graphical representation of data where individual categories are denoted by bars of different lengths according to their value.