If an experimenter uses several t tests to compare the various group means found for a one factor between groups experiment instead of using the ANOVA, the experimenter runs a great risk of _____

a. failing to detect the effect of the treatment at all.
b. greatly reducing the power of the experiment
c. incorrectly concluding that the treatment affected the group means
d. a and b


C
There is increased probability of a Type I error. When a Type I error is made, the experimenter concludes that the independent variable had an effect when it didn't.

Psychology

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Which of the following discovered hypnosis?

a. Sigmund Freud b. Carl Jung c. Franz Mesmer d. Wilhelm Wundt

Psychology

The point at which a fetus has the possibility of surviving outside the uterus is referred to as the age of _____

Fill in the blank(s) with correct word

Psychology

Which statement about the three-level hierarchy of intelligence is TRUE?

A) The three-level hierarchy of intelligence is a radical view proposed by a small group of psychologists. B) The three-level hierarchy of intelligence is favoured by psychologists who take a data-based approach and opposed by those who take a theory-based approach. C) The three-level hierarchy of intelligence is favoured by psychologists who take a theory-based approach and opposed by those who take a data-based approach. D) The three-level hierarchy of intelligence is widely supported by studies done over the past 60 years.

Psychology

Geraldine used to really notice the smell of kitty litter when she went to visit her new neighbors, and she tried not to stay too long at their house. Now, she doesn't notice the smell at all when she visits. Geraldine's change in responsiveness illustrates the learning process known as:

a. habituation b. sensitization c. second-order conditioning d. negative reinforcement

Psychology