Variables that are "adjusted for" in a study are called _______________
Fill in the blank(s) with correct word
covariates
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Wundt and Titchener rejected the unconscious as subject matter because it could not be studied experimentally
a. True b. False
During which phase of her sexual response cycle will Sasha experience an expansion and thickening of her vagina?
a. Excitement b. Plateau c. Orgasm d. Arousal e. Resolution
In addition to the neurotransmitter glutamate, in order to activate the NMDA receptors, the neuron requires ____
a. serotonin b. dopamine c. increased release of magnesium ions from the presynaptic neuron d. removal of magnesium ions from sodium and calcium channels
External validity means that:
A) an experiment used reliable measures of the independent variable. B) a correlation was established between an independent and a dependent variable. C) an experiment has been verified by a group of scientists not associated with the study. D) the variables in an experiment have been defined in a normal, typical, or realistic way.