You want to test people's reactions to a new artificial sweetener, and so you plan to give them coffee with two different kinds of sweetener. However, you are worried about possible cues you may give people as to which sweetener they're getting. So, you have your assistant prepare the packets so she knows which is which but you do not, and then you give the two coffees to your subjects. This type
of experiment is called a __________ experiment.
a. double-blind
b. single-blind
c. placebo effect
d. placebo bias
A
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Inferential statistics allow you to decide whether a difference between the experimental and the control group is due to _______________ or ________________
a. manipulation; chance b. manipulation; experimental error c. sampling error; independent variable d. independent variable; experimental error
During the middle part of the twentieth century, doctors used ________ for pain relief during childbirth
A) major tranquilizers B) antianxiety medications C) breathing techniques D) local anesthetics
When six-year-old Molly is working on addition and subtraction problems, her father refuses to let her count on her fingers. According to research, her father's refusal may
A) increase the amount of time it takes for Molly to learn basic addition and subtraction. B) decrease the amount of time it takes for Molly to learn basic addition and subtraction. C) increase Molly's ability to solve mathematical word problems when she is older. D) decrease Molly's ability to solve math problems requiring three or more operations.
Erogenous receptors are contained in the ridged band located inside the ____________
a. coronal ridge b. corpora spongiosum c. corpora cavernosa d. foreskin