Examlex
A health educator wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded. Assume you are evaluating H 0 with the t test.Using a = .05 2 tail , t crit = _________.
Irving Janis
A psychologist known for his theory of "groupthink," which describes the faulty decision-making process in cohesive groups.
Bay Of Pigs
The Bay of Pigs refers to an unsuccessful invasion of Cuba in 1961, where a CIA-sponsored paramilitary group sought to overthrow Fidel Castro.
Groupthink
A mental event happening among a group, where the need for unity or agreement leads to illogical or counterproductive choices in decision-making.
Self Image
The mental representation an individual has of themselves; includes how one perceives their appearance, abilities, and worth.
Q6: "State of Reality" means _.<br>A) true state
Q11: If F <sub>obt</sub> F <sub>crit</sub>, we reject
Q17: Five students were tested before and after
Q22: Other factors held constant, a one-tailed test
Q32: If r obt is not equal to
Q57: The within-groups variability increases necessarily as the
Q79: The sampling distribution of t differs from
Q82: Assume you have N = 15, a
Q83: Define retain null hypothesis.
Q122: The critical value of a statistic is