IntroductionSexual deviance is also known as paraphilia an unnatural sexual behavior that are odd in a society is called sexual deviance or sexual disorder that are an odd way to fulfill your needs, that are socially immoral.There are ten main types of sexual devianceExhibitionismExhibitionism is gay or lesbian who cannot mind to showing his sex organs to other peoples who do not want.Fetishism It is another type of sexual deviance, in this type people achieve their sexual satisfaction by using of immoral things like women clothing, tissue papers or other such things.Frotteurism In this type people who are sexual deviance rubbed or touch his sexual organs with others who do not want. This behavior mostly occurs in busy crowded places like a bus stop.PedophiliaThis is another type of sexual deviance, in which most teenagers are involved. Pedophilia people to be attracted to boys or girls, more interest in boys.Sexual masochism This is another type of sexual deviance, masochism is a term used for sexual disorders. Masochism the only one sexual deviance that are practiced by women.Sexual sadismIn this stage, victim achieve their sexual gratification by hurting some other peoples.Transvestic Fetishism This is another type of sexual deviance in which a victim is unhappy with their original gender and then with hormonal therapy or sex change operations and change their gender.VoyeurismVoyeurism is a paraphilia in which person find sexual pleasure by watching immoral videos or necked pictures or having sex. These disorders mainly occur in males.ZoophileThis type describes that sexual feelings or behavior in which domestic animals are involved like dog, goat & sheep etc.NecrophiliaThis type describes that sexual feeling in which body are involved.Analyze whether sexual deviance may derive from psychological or biological issuesThere are different views of scientist about the sexual deviance either it is psychological or biological issues. There is one school of thought who argues that sexual deviance is a psychological issue while on the other hand there is another school of thought who argues that sexual deviance is the biological issue.There are many psychological and biological theories related to sexual deviance who explain the causes and gave the solution for this issue of sexual deviance. Many psychological theories have been developing during last few decades. Psychological theories focus on human thought and behavior. A number of psychological theories of sexual deviance more focus on male-perpetrated rape cases and child molestation, sexual sadism or female perpetrated abuses.The supporter of psychological school of thought who they argue that the sexual deviance is all because of the psychological issue other may play their role but they have less contribution as compared to psychological elements.Biological theories of sexual devianceBiological theories of sexual deviance see sexual deviance is a form of biological illness. The supporter of biological theories of sexual deviance assumes that people are born by nature criminal they are different from non-criminals. This in result leads to criminal behaviors.The biological theory of Y chromosomeTheory of chromosome explain that sexual criminal have an extra chromosome Y that gives them XYY chromosomal not XY chromosomal. Due to that they commit crimes. XYY chromosomal also called the super male, they have extra sexual powers.Analyze whether the field of psychopathology can provide solutions to the problem of sexual deviance.Psychology can provide a better solution to solve the problems of sexual deviance as compare to other solution. The most of deviant victim’s cases closely related to psychological issues. There are different types of sexual deviance which are closely linked with psychology such as zoophile, Transvestic Fetishism, Sexual sadism these are some major types in which the element of psychology is more dominant as compared to other factors.There is number of psychological tests have been measured the different aspects of psychological functioning, such as locus of control, pro-sexual attitudes.There is a number of psychological ways through which you can remove sexual deviance from the society, that type of cases of sexual deviance mainly occur or there rate are high in those areas where society is congested, they have less social interaction as compare to open society. Immaturity is one of the main role in sexual deviance.Validity ScalesSexual/Social desirability, that measures sex drives interest and identifies whether client are responding in social desirable environment, Sexual Obsession, which measures an offender’s obsession with sex, and any tendency to exaggerate his problems; and Lie Scale, which measures the extent of denial and minimization.BibliographyAguilar, J. E. (2016). Sexual Child Abuse Classification: An Analysis of Variables Associated with Child Molestation(Doctoral dissertation, The Chicago School of Professional Psychology).Mokros, A. (2018). Sexual Offending. The Wiley Blackwell Handbook of Forensic Neuroscience, 333.Mahmut, M. K., Cridland, L., & Stevenson, R. J. (2016). Exploring the Relationship between Psychopathy and Helping Behaviors in Naturalistic Settings: Preliminary Findings. The Journal of general psychology, 143(4), 254-266.Tamatea, A. J. 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