#1
What is the average number of siblings per person in a typical American family?
#2
What is the term for siblings who are born within the same year or less apart?
#3
What is the term for siblings who are born from the same set of parents but at different times?
#4
What is the term for siblings who are born on the same day but in different years?
#5
What is the term for siblings who are born from the same parents but are not biologically related?
#6
Which birth order position tends to have the most advantageous personality traits according to birth order theory?
#7
What is the term for having only one sibling?
#8
What is the psychological phenomenon called when siblings compete for attention and resources from their parents?
#9
Which factor has been found to correlate positively with smaller family size?
#10
What is the term for a sibling born after the death of a previous sibling?
#11
In demographic studies, what is the term used to describe the total number of children born or adopted by a person?
#12
In evolutionary psychology, what is the term for favoring one's own genetic relatives in the allocation of resources or support?
#13
What is the term for a situation where a child loses a sibling due to death before or after birth?
#14
What is the term for the unique relationship that exists between siblings?
#15