Mr. Robles, who teaches kindergarten, expects his students to:
a. have an expressive vocabulary of at least 10,000 words.
b. have a receptive vocabulary of 30,000 words.
c. create 10-word sentences and be able to use all types of sentences.
d. have knowledge of rules of grammar and rules of conversation.
D
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Indicate whether the statement is true or false
Oftentimes, researchers clearly have an expectation of what a research study will find, and thus, a directional (one-tailed) hypothesis makes sense. Why, however, might it be better to use a nondirectional (two-tailed) hypothesis test?
What will be an ideal response?
Good research questions often investigate ________, which means that two qualities or characteristics are tied together or connected in some way.
A. morality B. the intentions of researchers C. opinions D. relationships
Matching involves ensuring that groups are similar on variables correlated with the dependent variable.
a. True b. False