Answer the following statement(s) true (T) or false (F)

Suppose a researcher selects a sample of 19 participants and computes SS = 162. In this example, the standard deviation is 3.


Ans: T

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Erik Erikson's theory of psychosocial development emphasizes that preschoolers' main focus is on developing:

a. ego integrity. b. initiative. c. mind-mindedness. d. self-concept.

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In which stage of writing are words a mix of phonetic and conventional spellings?

a. conventional stage b. prephonemic stage c. transitional stage d. letter-naming stage

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An educational researcher is interested in identifying students' attitudes about using computers to complete writing assignments. Which of the following research methods is the researcher most likely to use?

A. A laboratory observation B. A standardized test C. A case study D. A questionnaire

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. The levels of an independent variable are ______ using a between-subjects experimental design.

A. preexisting B. eliminated C. manipulated D. identical

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