Grant helped Morgan by taking out the trash at her apartment on pick-up day. She thanked him for his assistance, increasing the likelihood that he would do it again. In this case Morgan's thank-you is an example of a:

a. positive reinforcement.
b. negative reinforcement.
c. positive punishment.
d. negative punishment.


a

Psychology

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How does sample variance influence the estimated standard error and measures of effect size such as r2 and Cohen's d?

a. Larger variance increases both the standard error and measures of effect size. b. Larger variance increases the standard error but decreases measures of effect size. c. Larger variance decreases the standard error but increases measures of effect size. d. Larger variance decreases both the standard error and measures of effect size.

Psychology

How many morphemes are there in the sentence "I predicted it"?

a) four b) six c) five d) seven

Psychology

Marty is moody, manipulative, unstable, lacks a clear sense of identity, and often clings to others. He wants to have close relationships but is unable to do so because he is untrusting of others. Marty is suffering from __________ personality disorder

a) antisocial b) avoidant c) dependent d) borderline

Psychology

A purpose of a role is to

A) clearly define laws about what adolescents can and cannot do, such as buy alcohol or cigarettes. B) provide direction and guidelines for behavior. C) determine whether or not an adolescent has achieved important milestones for society to consider that person an adult. D) determine whether or not an adolescent is ready to participate in a rite of passage.

Psychology