Spermicides can be used either alone or in conjunction with another contraceptive method - most often with one of the barrier methods, which work by preventing sperm from entering the uterus
Indicate whether the statement is true or false
T
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A clinic offers free HIV testing two evenings each week so that infection may be detected as early as possible. The clinic’s program is an example of ______ prevention.
A. secondary B. primary C. positive D. tertiary
Which of the following provides the most obvious link between Adler's childhood and his theory?
a. Warmth and optimism c. Illness and sibling rivalry b. Wealth and security d. Rationality and clear thinking
Heidi is running a study for a large mental health center. She is responsible for assigning participants to one of two conditions--either the condition that receives the medicine being tested or a placebo pill. The actual nurses and doctors administering the medication or placebos do not know which they are giving, nor do the patients know which they are receiving. Only Heidi tracks this
information. Heidi's study uses a(n) design. a. blind b. double-blind c. triple-blind d. biased
If each person in a large group has an equal chance of being included in an experiment, then the researcher is using ____ sampling
a. systematic b. random c. convenience d. cluster