According to __________ of motor development, mastery of motor skills involves acquiring increasingly complex systems of action
A) the proximodistal trend
B) the cephalocaudal trend
C) ecological systems theory
D) dynamic systems theory
D
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People who viewed extensive media coverage of the 2012 Boston Marathon bombing were ______ times more likely to experience high stress than were people who viewed little media coverage of the event.
A. 2 B. 4 C. 7 D. 9
Define “randomized controlled trial (RCT).”
Consider this description of an RCT: Espada and colleagues (2016) conducted a test of the efficacy of a smoking cessation program for adolescents in Spain. Prospective participants were recruited using a convenience sample, then randomly assigned to either a program condition or a control condition. The control condition consisted of adolescents placed on a waiting list for the program. Six months after the program, 8% of the program group had quit smoking, whereas no one in the control group had. This difference was statistically significant. After 1 year, 43% of the participants were available for follow-up data collection; this proportion was similar across both program and control conditions. Making explicit reference to the concepts of internal and external validity, highlight several potential strengths and weakness of this study. What will be an ideal response?
Describe the three steps involved in analogical problem solving. Which step is the most difficult to achieve, and what is the evidence that this is the most difficult step?
What will be an ideal response?
Which of the following is true about the halo effect?
A. It happens more frequently with familiar people. B. It is an accurate way to judge others. C. It only requires a small amount of information. D. It only happens with positive information.