A review of the relevant literature suggests four main themes relevant to public support for the death penalty (DPS): 1) The effect of public opinion on death penalty law and policy; 2) trends over time in support for the death penalty; 3) socio-demographic correlates of death penalty support, with gender and political orientation emerging as particularly strong predictors of DPS; and 4) theoretical explanations for variations in death penalty support, with models that offer explanations for gender and political orientation variations in DPS particularly salient
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The effect of public opinion on death penalty law and policy.
Law and policy are influenced by public opinion (Durhan in Stack, 2000). There were many political debates about constitutionality of the death penalty and doubt whether public opinion should be used as an indicator for making death penalty legal (Ellsworth & Gross, 1994). Death penalty was ruled unconstitutional by the Supreme Court in 1972. However, public opinion on death penalty has been increasingly pro-death penalty for four years since 1972. By 1976, the majority of people were for death penalty and the Court decided that death penalty is constitutional (Gregg v. Georgia in Ellsworth & Gross, 1994). .
The death penalty is supported by the public in many other countries, including Germany, Great Britain and others, although, it is not legal in these nations. This is not the case in the United States. In the United States, the government seems to follow public opinion on death penalty. It is possible that if the majority of people become against the use of death penalty, the death penalty might become illegal again (Ellsworth & Gross, 1994).
Trends over time in support for the death penalty .
American support for the death penalty has been varying greatly over the years since 1950s. When Americans were asked if they supported the death penalty for a person who has been convicted of murder, the percentages for support ranged from 42% in 1966 to 80% in 1994.