relationships Flashcards
what is sexual selection
An evolutionary explanation for partner preference, suggesting that attributes beneficial to survival and which increase reproductive success (so are adaptive) are passed on through genes. Therefore, human reproductive behaviour, including mate choice preferences, are affected by evolution.
what is anisogamy and how does it relate to sexual selection
the concept of anisogamy – differences between male and female sex cells.
There are differences between male and female gametes, and the term ‘anisogamy’ describes this.
Differences may be in terms of the size of the gametes, the energy invested into their production, whether they are static or mobile, and the intervals at which they are produced. This is reflected in
the two types of sexual selection, and which is preferred by each gender i.e. intra-sexual selection and inter-sexual selection.
what is inter-sexual selection
- Inter-sexual selection describes the strategies that each sex uses to attract the other. This is the ‘quality over quantity’ approach and is favoured by females because they invest more energy into the development of ova, which are produced in limited numbers at intervals across their lives, and the fact that females experience more post-coital responsibility compared to males. Therefore, a
female will be more ‘choosy’ as to who she mates with, due to her limited reproductive resources.
This, from an evolutionary standpoint, enables the high quality of her offspring.
what is an example of inter sexual selection
An example of inter-sexual selection would be Fisher’s ‘sexy sons hypothesis’. This suggests that, through a female choosing to mate with an attractive male, her offspring will also grow up to be
attractive or ‘sexy’, and so are themselves likely to attract females to mate with. This ensures that
the female’s genes are passed on through several generations, thus increasing the likelihood that these genes will remain in the gene pool.
name another example of inter-sexual selection
hint handicap
handicap hypothesis
a women chooses a man with handicaps as it shows his ability to thrive with handicap, demonstrating genetic superiority
eg females who find males more attractive that drink or smoke or do alot of drugs in large amounts- demonstrates ability to handle toxins, a sign of genetic fitness.
what is intra sexual selection
- Intra-sexual selection describes the strategies used within sexes to attract males. This is the ‘quantity over quality’ approach and is favoured by males because they produce sperm
continuously throughout their lifetime, with little energy investment and limited post-coital responsibility. Therefore, from an evolutionary perspective, it is most effective to impregnate as many
women as possible, in order to ensure the survival of their genes.
what is an example of intra sexual selection
Examples of intra-sexual selection strategies would be males behaving aggressively and being protective of their female (reducing the likelihood that she will be impregnated by another competing
male), being larger (and so more sexually desirable to women), as well as possessing certain facial and physical characteristics (e.g. strong jawlines and broad shoulders).
what is sexual dimorphism
These differences in mating strategies and anisogamy results in dimorphism i.e. the physical differences between the male and female sexes.
males>deeper voice, facial hair
females>breasts, hips, smother skin
these factors increase chances of survival into adulthood and sexual maturity.
devaluation point :(
hint hashtagbossbabies
— Evidence suggests that it is incorrect to assume that current reproductive patterns still have a strong evolutionary basis, but rather an interactionist approach would be more accurate, where the
influences of both culture and evolution are combined together, as suggested by Chang et al (2011).
Changing social and cultural norms means that women no longer place a large emphasis on resource-availability when looking for a new partner, as suggested by Bereczkei et al (1997) because
women are now more financially independent, with the average age of marriage currently exceeding
30. This suggests that some evolutionary pressures for inter-sexual selection no longer apply in the
modern climate.
positive evaluation hint: bodyody, for a long time,researcher
+ However, research has suggested that there are some sexual selection pressures which have been constant in terms of evolution and in terms of modern times, such as the hip to waist ratio, as suggested by Singh (1993). If this ratio is around 0.7, then this demonstrates to potential mates that the female is fertile and able to carry children over a long period of time, with birth being easier when the female has larger hips and a narrower waist. Therefore, this suggests that some evolutionary pressures are still relevant in modern times.
another positive for sexual selection inter and intra
hint: college study
+ There is also evidence supporting the idea that females are more selective when it comes to potential mates, due to their greater energy and genetic input into the pregnancy and care for the child, as suggested by Clark and Hatfield (1989). These researchers found that 75% of college males, compared to 0% of females, would be willing to sleep with a stranger if this stranger had approached them and complimented them! This supports the idea that men have an evolutionary
what are the three factors affecting relationships
self disclosure
phsyical attractiveness
filter theory
what is self disclosure and what is its aim
- Self-disclosure refers to the information we choose to reveal about ourselves within a romantic relationship. The aim of self-disclosure is to increase the intimacy, understanding and empathy between two individuals. This is under the condition that the self-disclosure is reciprocal.
what has altman and taylor suggested
Altman and Taylor have proposed the ‘social penetration’ theory, which suggests that the process of self-disclosure allows one person to penetrate deeper into the life of their partner, thus increasing intimacy and trust.
However, it is important to be selective with what one chooses to disclose.
what is the onion analogy
The researchers have used an onion analogy to illustrate this. As the relationship progresses, more layers of the onion are removed, representing deeper and more meaningful information being disclosed. This is only likely to occur if the exchange of such information is reciprocal i.e. the other person showing empathy, understanding and revealing personal details about themselves.
Such exchanges represents a stage in the relationship which is serious and characterised by trust.
what does this state about revealing too much information in the first stages of the relationship
Revealing intimate details about oneself at the beginning of a relationship may have detrimental effects
e.g. revealing ‘too much information’. This demonstrates to the other person that at least one person in the relationship does not trust the other
what does reis and saver state (1988)
- Reis and Shaver (1988) suggest that there are two elements of the social penetration theory - depth
and breadth. There is a positive correlation between the increasing quality and trust within a
relationship, coinciding with increasing depth and breadth of revealed information. - For example, high levels of breadth result in low levels of depth due to many topics being ‘off limits’,
thus reducing the emotional impact and empathy shown by the other person. This is the kind of
information we would disclose to strangers, colleagues etc. - Therefore, the key to maintaining a developing and intimate relationship is a balance between depth
and breadth, through the reciprocal self-disclosure of information from both parties.
what is supporting evidence for this H&S in terms of self disclosure and intimacy
+ An increased understanding of the importance of self-disclosure in building and maintaining intimacy
within relationships can have a real-life practical advantage, as suggested by Hass and Stafford (1998).
These researchers found that for couples with high levels of intimacy and commitment within
their relationships, 57% reported the use of self-disclosure as a way to maintain it.
Therefore, this supports the use of therapies which focus on increasing the depth and breadth of self-disclosure for couples who struggle with intimacy, as well as increasing trust within the relationship. These are the predictions made by social penetration theory, thus further increasing the validity of this theory!
what is another piece of supporting evidence for self disclosure laurenceau
+ However, there is research support for the predictions made by social penetration theory, as suggested by Laurence au et al (2005). These researchers found that, on the basis of daily diary entries, high levels of intimacy and trust were strongly associated or correlated with high levels of self-disclosure, in married couples. This suggests that the depth and breadth of self-disclosure is strongly predictive of the intimacy and quality of romantic relationships, which again supports the validity of the social penetration theory as an indicator of relationship quality
what are the factors affecting self disclosure in relationships
appropriateness of the disclosure
sometimes disclosing personal information can be innapropriate eg on a first date- suggests that the individual is lacking in social skills. More attractive people would be sensitive to these norms
attributions of the disclosure- the reasons we believe a person is disclosing to us as important. Less attraction occurs if an individual is seen as the kind of person who discloses personal information to everyone. However, more attraction occurs if we believe an individual sees us as someone they especially want to disclose initmate information to
what did spechr and hedick prove about self disclosure (2004)
found that through studying heterosexual couples that there was a strong correlation between several measures of relationship satisfaction and self-disclosure