"Negative evidence" in early language acquisition
a. confuses the child and retards speaking.
b. means that parents ignore the child's mistakes.
c. means that a parent detects the child's error and helps with its correction.
d. punishes the child's errors but gives emotional support.
C
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Which of the following would not be classified as disenfranchised grief?
a. Death of ex-spouse b. Death of a pet c. Death of an infant d. Death of a person with whom one was having an adulterous affair e. Miscarriage in the third month of pregnancy
If the hypothesis is a one-tailed hypothesis, how can the experimenter determine whether the results are in the correct direction for a pretest posttest design? The experimenter checks the _____
a. absolute value of the obtained t c. pretest and posttest means b. sign of the obtained t d. all of these
The ________ is one of the last areas of the brain to mature, suggesting that younger adolescents may be less efficient at multitasking than older ones
Fill in the blank with the appropriate word.
In 2002, baseball pitcher Randy Johnson began wearing a
particular metal-impregnated twisted rope necklace designed to "stabilize the electricity flow through the body." He claimed that it improved his pitching and his batting. By the 2010 World Series, hundreds of players were wearing one, all without any scientific explanation of, or evidence for, this rope necklace's efficacy. They bought this necklace a. due to a single example. b. due to a causal correlation. c. because they failed to distinguish observation from inference. d. due to the performance of the control group.