When Jan helped her mother clean up after her baby brother, Jan's mother praised her daughter for being so thoughtful. For Jan, her mother's praise is serving as a
a. positive reinforcer.
b. negative reinforcer.
c. primary reinforcer.
d. response cost.
A
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To investigate the role of genetic factors in personality, researchers administered the MMPI to pairs of identical twins who had been reared apart and pairs of nonidentical twins who had been reared together. Imagine that these researchers found that the nonidentical twins reared together were more similar on a given trait than the identical twins reared apart. This would be evidence that:
a. genetics has a larger influence than the environment on the expression of that particular trait b. genetics and the environment are equally influential on the expression of that particular trait c. neither genetics nor the environment influences the expression of that particular trait d. the environment has a larger influence than genetics on the expression of that particular trait
Which basal ganglia structure(s) is/are important for receiving input from sensory areas of the thalamus and the cerebral cortex?
A. Globus pallidus and putamen B. Globus pallidus and caudate nucleus C. Caudate nucleus and putamen D. Globus pallidus
The secular trend is increasingly obvious in wealthier children in the U.S. today than it was two decades ago
Indicate whether the statement is true or false
Paula has always wanted to be a doctor. It's what her mother and her grandmother both are. She's never considered being anything else. According to Marcia, which identity status does Paula represent?
a. moratorium c. diffusion b. foreclosure d. achievement