One of the most common errors investigators make when analyzing time trends is: a. incorrect data preparation. b. not monitoring the time taken. c. not standardizing for time. d. focusing only on one variable, time (the x-axis if graphed).

43. based on what you know about constitutional provisions regarding individual voting rights, which of the following is true? a the constitution places no restriction on the states' power to set voting qualifications. b. the constitution places eight federal restrictions on the states' power to set voting qualifications. c. the federal government cannot restrict the states' power to set voting qualifications except for matters of age and race. d. the constitution places five federal restrictions on the states' power to set voting qualifications.

The graph shows a student’s data from an investigation about plant growth in five plants of the same type.

The social contact theory states that