variation in male testosterone levels and reproductive effort- polygynous- A.Alvergne, C,Faurine

Question 1

what can individual differences in parenting and mating efforts predict?

Answer 1

morning T levels

Question 2

what is bi parental care a trade off between and how does it vary?

Answer 2

trade off between acquiring mates and offspring care

varies between and within individuals

Question 3

what do families need?

Answer 3

high levels of parental investment and an extended child caring period

Question 4

in US what do men in relationships have?

Answer 4

lower T levels

Question 5

what often happens with married men with high T levels?

Answer 5

extra pair mating, higher marital conflict, divorce more likely

Question 6

what is androgen associated with?

Answer 6

nurturing and parental responsiveness

Question 7

in ariaal pastoralists what was the difference in morning T levels for paired and unpaired men?

Answer 7

paired had lower

Question 8

did foragers or pastoralists give higher parental care?

Answer 8

foragers

Question 9

what do polygynously married men tend to be?

Answer 9

older with more children

Question 10

compared to monogamously married men what were the T levels and parental investment like for polygynous?

Answer 10

lower investement

higher t levels

Question 11

what is patrilocal?

Answer 11

couple settles in husbands home

Question 12

in the Senegal population what % of men over 40 were monogamous or polygynous and which had more children?

Answer 12

poly: 48%
mono: 26%
polygynous

Question 13

out of the 81 men how many were:

a) non fathers, unmarried
b) fathers mono marriage
c) fathers poly marriage

Answer 13

a) 28
b) 32
c) 21

Question 14

how was the males mating/parenting effort recorded?

Answer 14

mothers reported investment in family

number of mights spent with other women/ jealousy conflicts recorded

Question 15

how were T levels measured?

Answer 15

in saliva glands

sampled morning and evening

Question 16

what were the 3 dependent variables?

Answer 16

morning T levels
afternoon T levels
% daytime T change

Question 17

during the day who did T levels decrease for and who didn’t?

Answer 17

decreased in unmarried non fathers but not married fathers

Question 18

what was -vely associated with age and what +ve?

Answer 18

-ve: morning and afternoon T levels

+ve: % daytime change

Question 19

who had lower T levels fathers or non fathers?

married or unmarried?

Answer 19

fathers

married

Question 20

do morning t levels decline with age in poly or mono men?

Answer 20

poly

Question 21

what were fathers less concerned with parental care morning T levels like?

Answer 21

higher

Question 22

high morning T:

low morning T:

Answer 22

• polygyny, low investment

- monogamy, high investment

Question 23

what may changes in afternoon T levels be due to?

Answer 23

social interactions from the day

Question 24

what does the fact that the pattern is absent when only mothers are carers support?

Answer 24

sports that the endocrine system mediates parental behaviour

Question 25

was the age effect found in poly or mono?

Answer 25

poly

Question 26

whats the effect of BMI?

Answer 26

doesn’t affect varying T levels