What does it mean to say that the sample mean is an unbiased estimator of the population mean?
What will be an ideal response?
Ans: It means that a sample mean obtained from a randomly selected sample will equal the value of its respective population mean on average.
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If the learner cannot connect to or find relevance for a passage he will probably
A) ?read it a second time to build his understanding. B) ?skip over that part of the reading assignment. C) ?look up words he doesn't know in the dictionary. D) ?read the passage more slowly.
Having students look up words in a dictionary to determine their meanings can be helpful at times, but in other cases would be viewed as a weak form of instruction. Teachers should judiciously use the dictionary as a part of a meaning vocabulary instructional program
Indicate whether the statement is true or false
A multisystemic method is the approach that has been most often recommended in the literature for children and adolescents with behavioral and emotional needs; and, as Dr. Vance Austin and Dr. Daniel Sciarra believe, offers the student:
a. the best chance for successful remediation of the problem b. an average chance for successful remediation of the problem c. no impact on the remediation of the problem d. little resources for remediation of the problem e. none of the above
Based on the following graphical summary display, what research design was used to record and analyze these data?
A. correlational B. experimental C. quasi-experimental D. either experimental or quasi-experimental