Statistical significance of a correlation tells us
a. whether it is useful in a practical situation.
b. whether it is useful for predicting a criterion.
c. how much variance the measures have in common.
d. how likely it is that the observed correlation is only a function of chance.
D
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Of the following, which one is NOT one of the five structures of the Bioecological model?
a. Exosystem b. Macrosystem c. Microsystem d. Suprasystem
How many null hypotheses are used in a 2 × 2 factorial ANOVA?
a. 1 b. 2 c. 3 d. 4
When children can do concrete operations they can do all EXCEPT
a. reverse their thinking. b. solve problems without the use of physical objects. c. consider several aspects of a situation. d. think about purely symbolic ideas.
Predictive validity is concerned with the relationship between the items in the test and the intended use of the test
Indicate whether this statement is true or false.