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The Tuskegee study involved ____.

A large sample is generally more representative than a small sample.

A researcher decides not to report the data from three participants whose results contradicted the researcher’s hypothesis. This is an example of fraud.

A refutable hypothesis must ____.

Based on observations of his own children, Jean Piaget formed a theory about the cognitive development of all children. This is an example of ____ reasoning.

A researcher finds that room color influences the mood of 45-year-old women in a sample. To preserve external validity, the researcher should generalize these findings to which group?

After you have scanned through a list of titles to determine which articles might be relevant to your research question, you should then read the ____ of each article to determine whether to keep it in your literature review.

Confidentiality ____.

A measurement procedure can be reliable without being valid.

A researcher is intrigued by an explanation of children’s problem-solving strategies found in a journal article and develops a research study to determine whether the article’s ideas are correct. This study can be classified as ____ research.