Chapter 11

Question 1

Null hypothesis sig testing

Answer 1

Determines the proabbiltiy than an obtained effect is a REAL effect of the IV or the result of random error variance

Question 2

Rejecting null hypotheisi

Answer 2

States there is an effect

Question 3

Failing to reject null hypotheisis

Answer 3

States there is not an effect

Question 4

Type 1 error

Answer 4

The null hypotheis is true, but the reserchers rejects the null and claims there is an effect when in reality there isnt

Question 5

Type 2 error

Answer 5

The null hypotheisi is false but the resrecher fails ot reject the null hypotheis and therfore says that there is no effect when in actualoty there is

Question 6

Alpha level

Answer 6

Probabilty of maiing a type 1 error

.5 is usually standard

Question 7

Beta level

Answer 7

Proabibilty of making a type 2 error

Question 8

2 factors that increase the rick of a type 2 error

Answer 8

1. Incresed measurment error

2. Decreased sample size

Question 9

As power increses the proability of a _____ error decreases.

Answer 9

Type 2

Question 10

Cohens d

Answer 10

Standard for determining the effect size