In research design, what does the term "random" mean?
a. An unplanned outcome of a research study
b. An outcome that occurs by accident
c. A process that occurs with no possibility of bias
d. A process that occurs in a regular, systematic fashion
c
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In comparison with a confidence level of 0.05, a confidence level of 0.01 means
a. you are less sure that the null hypothesis is wrong. b. you are more sure that the null hypothesis is wrong. c. you are absolutely sure that the null hypothesis is wrong. d. you are more sure that the experimental hypothesis is wrong.
The place theory of pitch suggests that pitch is determined by the __________
a) specific hair cells that are stimulated. b) number of hair cells that are stimulated. c) size of the hair cells that are stimulated. d) degree of bend in the stimulated hair cells.
List at least three cognitive changes that allow for improved critical thinking in adolescence.
What will be an ideal response?
In an experiment, the observed effects on subjects' behavior resulting from
experimenters manipulating suspected causal variables are called ______ variables. a. independent c. dependent b. codependent d. reciprocal