ISLE 1.4 Column Taper IllusionClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.Does the vertical illusion intensify when the columns are tapered as compared to when they are vertical?
A. No, there was no difference.
B. Yes, I had to tilt the columns more to make them appear vertical when the columns were tapered than when they were straight.
C. Yes, I had to tilt the columns more to make them appear vertical when the columns were straight than when they were tapered.
Answer: B
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Wally wants to see if room temperature affects happiness. He invites participants to the laboratory, where half are seated for 20 minutes in a booth held at a constant 19 degrees, and the other half are seated in an identical booth for 20 minutes at a constant 29 degrees. Wally then asks members of each group to rate their level of happiness. What is the independent variable in this experiment?
A) the number of participants B) the elapsed time C) the temperature of the booths D) the rating of happiness
Inferring from the textbook, which of the following adolescents would be most vulnerable to peer influence?
A. Phyllis, who is just "hanging out" with a group, but who calls to tell her mother where she is B. Francine, whose parents don't know where or with whom she is "hanging out" C. Della, who is alone at home with phone calls from mother D. Stewart, who is unsupervised at a friend's house with his parents' approval
The __________ is the center of psychoactive drug activation in the brain
Fill in the blanks with correct word
Which of the following measures of spread is easy to calculate and is resistant to the effects of skew and outliers?
A. The interquartile range B. The variance C. The range D. The standard deviation