Which statement about cognitive development in early adulthood is true?
A) Pruning of synapses progresses at a faster pace in early adulthood than in adolescence.
B) Growth and myelination of stimulated neural fibers progress at a faster pace than in adolescence.
C) The prefrontal cognitive-control network becomes imbalanced with the brain’s emotional/social network.
D) The cognitive changes of early adulthood are supported by further development of the prefrontal cortex.
Answer: D
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Which of the following accurately describes the chi-square test for independence?
a. It is similar to a single-sample t test because it uses one sample to test a hypothesis about one population. b. It is similar to a correlation because it uses one sample to evaluate the relationship between two variables. c. It is similar to an independent-measures t test because it uses separate samples to evaluate the difference between separate populations. d. It is similar to both a correlation and an independent-measures t test because it can be used to evaluate a relationship between variables or a difference between populations.
Alex, your dog, has just been switched from dry dog food to canned dog food. Alex has always made a fast dash to the kitchen every time he heard the dog food bag rattling. What will be the most likely result of switching to canned food?
a. The sound of the bag will lose its status as a CS for Alex. b. Alex will immediately run to the sound of the can opener. c. Alex will continue to always come running to the sound of a bag being opened. d. None of these.
Poor nutrition and dieting in adolescence, as well as insecurity about the way one looks, can be attributed to one's ______
Fill in the blank with correct word
Since ADHD has been added to the DSM, the number of ADHD diagnoses in the United States has skyrocketed
Indicate whether this statement is true or false.