To save time, you assign the first fifty people who sign up to participate in your study to the experimental condition and the next fifty to the control condition. The interpretations you could draw from the study will be severely limited because
a. you needed to carry out a within-subjects design.
b. you failed to use random assignment to conditions.
c. you did not have enough participants to conduct your study.
d. you need to include another control condition to draw accurate conclusions.
Answer: b. you failed to use random assignment to conditions.
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Children begin toddlerhood with relatively uncoordinated, hesitant movement skills and
a. progress only if actively and rigorously trained. b. remain this way until the next stage of development. c. make amazing accomplishments in acquiring coordination and complex locomotor skills. d. frequently backtrack while focusing on language acquisition.
The series of eye fixations that we perceive as visual sensations seem continuous, or stream like, because of _____
A) short-term memory B) saccadic eye movements C) sensory memory D) serial-position effect
In Pavlov's experiment, removing the UCS and only presenting the CS will eventually lead to:
a. motivation b. reinforcement c. extinction d. learning
The child development theorist who suggested that social attitudes in children are mediated through their processes of cognitive development is ____
a. Piaget c. Bandura b. Freud d. Horney