Getting older, growing hungrier, and developing fatigue are ...

[cagreen833]

Getting older, growing hungrier, and developing fatigue are examples of _______________ effects, which is changes in the experimental units themselves that occur with the passage of time.
 a. history d. instrumentation
  b. maturation e. statistical regression
  c. testing

Question 2

Three factors are required to specify sample size: (1) the variance of the population; (2) the population mean; and (3) the confidence level.
 
 Indicate whether the statement is true or false

[Tabitha_2016]

Answer to Question 1

B
Maturation effects are similar to history effects except that they are concerned with changes in the experimental units themselves that occur with the passage of time.

Answer to Question 2

F
Three factors are required to specify sample size: (1) the variance of the population; (2) the magnitude of acceptable error; and (3) the confidence level.

[cagreen833]

Gracias!

[amandalm]

Excellent