A major study of 20,000 adults from the US, UK, and Germany found that birth order had no significant effect on which of the following personality traits?

Who is credited with first developing the birth order theory in the 1920s?

What common difficulty did the video associate with only children?

A study of 377,000 high school students found that firstborns tended to be more honest and dominant, but had what a potential disadvantage?

According to Alfred Adler's original theory, which child is most likely to be conservative, power-oriented, and predisposed to leadership?

According to Adler's theory, middle children often set unreasonably high goals for themselves. What positive outcome does the video suggest can result from this?

What is a key motivator for the youngest child, according to the birth order theory presented?

What is a primary reason Adler's theory suggests middle children tend to be ambitious?

The video concludes by stating that birth order research often has inaccuracies. What does it suggest is a much more important factor in shaping an individual's life?

A study cited in the video found a correlation between birth order and IQ. Which group tended to show higher performance on intelligence tests?