Some general symptoms of cancer include ______, but do not necessarily mean that the person has cancer.
A. increased appetite, hair loss, and sleeplessness
B. pain, weight loss, and fatigue
C. weight gain, insatiable appetite, and fatigue
D. dry, itchy skin, hair loss, and weight gain
Answer: B
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A proposed explanation for a situation, usually taking the form “if A happens then B will be the result” is called a(n) ____
a. theory b. research proposal c. experiment d. hypothesis
To select a sample of five children from a class of 30, a researcher puts each child's name on a slip of paper, then shuffles the papers in a hat and randomly picks five names. What kind of sampling is being used?
a. quota b. non-quota c. probability d. nonprobability
Harmony notices that her cat salivates as soon as her cat hears the sound of Harmony opening a can with an electric can opener. In this example, the _______________ is the conditioned stimulus
a) can of cat food b) sound of the electric can opener c) dish that Harmony puts the food in d) cat scurrying into the kitchen
Words are combined into sentences by means of
(a) phonemes (b) morphemes (c) rules (d) linguistic units called "Chomskies"