To measure the effects of task complexity on an individual's perception of time, a researcher has one group of participants do simple addition problems and another group solve complex mathematical formulas. Both groups are then asked to estimate the time
Later, the researcher finds out that the participants given the complex task were in a room with higher noise levels than the other group. In this study, the noise level would be considered an example of
a. the placebo effect.
b. a dependent variable.
c. a confounding variable.
d. an independent variable.
Answer: c. a confounding variable.
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According to the discussion of child-directed speech,
a. adults who use child-directed speech tend to make language acquisition somewhat easier for children. b. adults who use child-directed speech actually make language acquisition more difficult for children. c. unfortunately, fathers are not skilled in using child-directed speech. d. unfortunately, older children are not skilled in using child-directed speech.
The neurons in the inferior temporal cortex…
a) send visual messages to the V1, V2 and V3. b) are specialized for processing spatial information and respond differentially to the direction and speed of movement. c) respond selectively to objects and appear to be unaffected by changes in position or orientation. d) integrate motor commands with spatial information. e) integrates the information being received from the dorsal and ventral streams.