Physiological- Sheldon


	Physiological- Sheldon
	Advantages Had a control group of 200 college students to compare criminals to. Other studies seem to support his theory to some extent. Small association with bodily build and criminality (Putwain & Sammons, 2002) Glueck and Glueck (1956) found in their sample of delinquents, 60% were mesomorphs compared with only 31% in their non-delinquent sample.	Disadvantages Ectomorphs and endomorphs can also be criminals which is contradictory to Sheldon’s idea that mesomorphs are criminals. Body types aren’t fixed throughout lives they can change. Mesomorphs can be treated differently because of how they look, they might be labelled leading to self-fulfilling prophecy.
	Evaluation

Had a control group of 200 college students to compare criminals to.
Other studies seem to support his theory to some extent. Small association with bodily build and criminality (Putwain & Sammons, 2002) Glueck and Glueck (1956) found in their sample of delinquents, 60% were mesomorphs compared with only 31% in their non-delinquent sample.

Ectomorphs and endomorphs can also be criminals which is contradictory to Sheldon’s idea that mesomorphs are criminals.
Body types aren’t fixed throughout lives they can change.
Mesomorphs can be treated differently because of how they look, they might be labelled leading to self-fulfilling prophecy.

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