If the experimenter knows which treatments the participants have been administered, but the participants do not, the study is called:
a. blind.
b. double blind.
c. placebo.
d. invalid.
A
Psychology
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the placenta is expelled first. the labor process takes two hours. the labor process takes two days. the head emerges first.
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When a child's first word combinations omit unnecessary words, it is called telegraphic speech
Indicate whether this statement is true or false.
Psychology
During the alarm reaction to a stressor, the hypothalamus triggers an emergency response in the
a. forebrain. b. adrenal glands. c. amygdala. d. immune system. e. parasympathetic nervous system.
Psychology
Neonates with poor sleep patterns tend to show ______.
A. decreased ambulation B. increased distractibility C. increased cognition D. decreased irritability
Psychology