Amir is 18 months old. According to Piaget's theory, he is in the following stages of cognitive development?
a. Pre operational
b. Sensorimotor
c. Formal operational
d. Concrete
b. Sensorimotor
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In an experiment, a researcher manipulates one variable to see how it affects a second variable. The manipulated variable is called the:
a. dependent variable. b. experimental variable. c. independent variable. d. placebo.
Which of the following statements is most accurate in the context of the lateralization of language?
A. Language processing is most likely to occur in the left side of the brain. B. The control of language is shared equally between the hemispheres. C. The lateralization of language varies dramatically from one person to another. D. Language processing is most likely to occur in the right side of the brain.
Maria is left alone by her mother in the experiment known as the Strange Situation. She
attempts to follow her mother but is blocked by the closed door. She falls to the ground crying and screaming loudly and does not play with any of the toys in the room. When her mother returns, attempting to comfort and soothe her, she pushes her away and continues to cry. Which style of attachment is Maria demonstrating? a. Secure attachment—she is clearly demonstrating her attachment to her mother by her continued distress when the mother leaves. b. Insecure avoidant attachment—she is showing that she avoids the mother upon her return and will not accept comfort from her. c. Insecure ambivalent attachment—she is both distressed when her mother leaves and angry at her for leaving as shown in her refusal tobe comforted by her upon her return. d. Insecure disorganized attachment—she has feelings of both loss when her mother leaves and feelings of anger when her mother returns.
Research on alternative techniques for conception
A) indicates an increased risk for autism. B) does not indicate any particular developmental problems. C) has revealed a delay in language development. D) suggests higher rates of Down syndrome.