Ap psych unit 2

For a test with normally distributed scores, the mean was 70 and the standard deviation was 10. Approximately what percentage of test takers scored 60 and above
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For a test with normally distributed scores, the mean was 70 and the standard deviation was 10. Approximately what percentage of test takers scored 60 and above
84%
A measure of the extent to which two factors vary together is called a
Correlation
Which research method may get closer to a cause and effect relationship
Controlled experiment
Experiment may get close, but the cause & effect is difficult to establish
Which has the greatest standard deviation
5,7,9,12
2,7,9,22
25,27,29,32
50,51,52,53
100,101,102,102
5,7,9,12
The experimental factor that is manipulated
Independent variable
The outcome factor in an experiment is known as the
Dependent variable
An experimenter tries to control, or account for, as many variables as possible in an attempt to avoid any unplanned _______ between ________
Interaction between variables
Predicting what happened is easy. In psychology it is called
Hindsight bias
Related love o hindsight bias is the idea that people typically feel as though they are more aware than they are. This is called
Overconfidence
Thinking that does nothing blindly accept arguments and conclusions is
Critical thinking
Beguiling lexical discretions can impact research. This impact is known as theWording effectThe direction and strength of the relationship between two variables is portrayed by theCorrelation coefficientThe placebo effect is experimental results caused byExpectationCorrection indicates a relationship between two variables, but it does not indicateCause and effectThe human tendency to seek order in random evens may explain the phenomenon ofIllusory correlation