Which of the following statements about overextension is true?
A) It is a common error used when children apply words too narrowly.
B) As vocabulary and pronunciation improve, overextensions increase.
C) Children overextend because they have difficulty categorizing objects.
D) Children often overextend deliberately because they have difficulty recalling or have not acquired a suitable word.
D
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A two-factor study compares 2 levels of factor A and 2 levels of factor B with a sample of n = 20 participants in each treatment condition. If the results are evaluated with a two-factor ANOVA, all the F-ratios will have df = 1, 76
Indicate whether the statement is true or false
Research demonstrates that, with respect to aggression, girls ____
a. tend not to engage in aggressive acts b. are more distressed by aggressive acts c. engage in more relational forms of aggression d. are more aggressive than boys
Maximal heart rate can be estimated by
A. 200 - age B. 200 + age C. 220 + age D. 220 - age E. the size of the individual
Regarding the grasping reflex, which of the following statements is FALSE?
a. The grasping reflex is considered an adaptive infant reflex. b. The grasping reflex aids survival by helping infants avoid falling. c. The grasping reflex is elicited for the first time as a baby attempts to stand by holding onto objects. d. The grasping reflex can be so strong that many infants can hang from a raised bar, like little trapeze artists.