When they are practicing walking, babies average between ______ walking steps per hour
100 and 300
200 and 800
600 and 1200
500 and 1500
500 and 1500
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If there is greater concordance (agreement) in criminal behavior between monozygotic twins, who fully share their genetic code, than dizygotic twins, who share only half of their genetic code, what might we conclude?
a. Aggressiveness is due to evolution. b. Aggressiveness is related to genetics. c. Interpreting social cues as aggressive is passed from one generation to the next. d. Identical twins are more likely to be rewarded for acting aggressively.
One sample has n = 7 scores with SS = 40, and a second sample has n = 5 scores with SS = 80 . The pooled variance for these two samples is 120/10 = 12
Indicate whether the statement is true or false
"People who have relationship difficulties clearly have unresolved unconscious issues that remain from difficult experiences during childhood," a researcher hypothesizes
What is the basic error of this hypothetical statement? a. It is too subjective, and may be based on the researcher's own personal issues. b. It is not based on any specific, clearly stated problem. c. The researcher's hypothesis cannot be proven or disproven and thus is not open to scientific inquiry. d. The hypothesis has been presented before any empirical data was collected to verify it.
Research consistently shows that young children exposed to long hours of mediocre to poor-quality child care
A) score lower on cognitive measures only if they also come from low-SES homes. B) score lower on language measures, but high on social skills, during the preschool years. C) still show gains in cognitive, emotional, and social competence in the elementary school years. D) score lower on measures of cognitive and language skills during the preschool and elementary school years.