Applying Statistical Inference: an Example If an Experimenter Finds That

question 23

Multiple Choice

Applying Statistical Inference: An Example If an experimenter finds that the difference between two treatment groups is significant at the .05 level, then

• A)the odds of obtaining this difference by chance are 95 in 100 times.
• B)the probability of this treatment effect is 5%.
• C)we would expect chance to produce a result this large less than 5 in 100 times.
• D)we should accept the null hypothesis.

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Definitions:

Argument

A sequence of statements or reasons made to persuade others that an action or conclusion is correct or logical.

Babbling

The stage in language acquisition during which an infant experimentally makes a variety of sounds, without producing actual words.

Mumbling

The act of speaking quietly or unclearly such that words are difficult to understand.

Cooing

The early vocalization of babies involving the production of soft, murmur-like sounds.