Researchers who conduct ________ must be very concerned with ruling out alternative explanations for their findings, due to the natural separation between groups
a. experimental studies c. quasi-experiments
b. causal studies d. qualitative studies
C
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Which of the following children is most likely to have a healthy sense of self-esteem?
Marcia, who appreciates herself but dislikes others Bart, who does well in school but keeps to himself because he is overweight Chang, who appreciates himself and other children equally Katlin, who has a very close group of friends who are all very similar to her
Individuals who would most likely not be receiving care in a hospice program are those diagnosed with
a. degenerative diseases b. terminal cancer c. an acute illness d. all of these e. none of these
Herbal remedies are __________
a) rarely subjected to placebo-controlled effectiveness studies. b) more effective than many prescription medications. c) regulated by the same government agency that regulates prescription drugs. d) generally ineffective for most problems.
A two-dimensional visual display of speech with time on one axis and frequency on the other is known as a ________________
a. frequency plot c. wavelength-time graph b. spectrogram d. two-dimensional speech graph