If f orbs is more extreme in its departure from zero than F critical, then which of the following two decisions about the null hypothesis (h0) is appropriate?

A: reject

B: fail to reject

After a null hypothesis is rejected based on the relationship between F orbs and F critical, post-hoc tests, like the scheffe, are performed. Common to all versions of post -hoc tests is that data are analyzed to test null hypothesis that specify equality with respect to all possible pairs of means? Is this true or false?

The average sum of squares within treatments is partitioned into two parts. One part represents the between-subject within treatments variance to estimate individual differences on the dependent variable (DV) the other part represents what?

1. left over within treatment variance
2. experimental error
3. residual within treatment variance
4. all of the above, because each answer describes the same part.

F orbs is constructed as a ratio of variances (mean squares). the average sum of squares between treatment means (MSbt) is in the numerator of the ratio. What s the average sum of the squares in the denominator of the ratio?

1. MS total
2. MS within treatment
3. MS between within treatment
4. MS experimental error

As a source of variation on the dependent variable, experimental error is defined as variation on the DV unrelated to variation due to treatment (variation of the dependent variable; IV) Is this true or false?