What is one feature of autism that leads scientists to think that it is genetically based?
a. Fathers with autism consistently have sons with autism.
b. Both abnormal brain development and abnormally large brains are found in children with autism.
c. Scientists have found a gene that is present in all autistic children.
d. Blood tests can show the presence of autism.
B. There are clear brain differences in autistic individuals.
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Females developing wider hips and males developing facial hair are examples of
a. primary sexual characteristics. b. secondary sexual characteristics. c. tertiary sexual characteristics. d. peripheral sexual characteristics.
According to a study cited in your text (National Center for Education Statistics, 2007), which of the following groups has the highest drop out rate?
A. European American B. African American C. Latin American D. Asian American
Using the method of ____, the subject is instructed to change a variable stimulus so that its magnitude appears to equal that of a standard stimulus. After this, the average difference between the variable stimuli and the standard is determined.
a. adjustment b. limits c. constant fixation d. stimulus fixation
Innate impulses from within a person that direct or motivate behavior are called ____
a. ?instincts b. ?emotions c. ?secondary drives d. ?ideas