Table 5.

Unigram, Bigram, Trigram Results for Correct Rejections

Unigram
	Experiment 1			Experiment 2			Combined
	High Confidence	Medium Confidence	z	High Confidence	Medium Confidence	z	Weighted z	p-value	Adj. p value
but	7	28	−3.55	7	29	−3.67	−5.10	0.000	0.000
medium	0	5	−2.24	0	8	−2.83	−3.58	0.000	0.021
so	6	10	−1.00	10	27	−2.79	−2.96	0.003	0.079
not	65	80	−1.25	45	79	−3.05	−2.93	0.003	0.079
the	35	68	−3.25	46	54	−0.80	−2.89	0.004	0.079
sure	10	19	−1.67	7	18	−2.20	−2.70	0.007	0.121
cannot	2	11	−2.50	1	2	−0.58	−2.56	0.010	0.150
familiar	2	7	−1.67	0	5	−2.24	−2.54	0.011	0.150
I	126	155	−1.73	131	160	−1.70	−2.42	0.015	0.188
possible	0	5	−2.24	1	3	−1.00	−2.37	0.018	0.198
it	44	47	−0.31	38	63	−2.49	−2.06	0.040	0.324
many	0	1	−1.00	1	6	−1.89	−2.01	0.044	0.340
just	6	7	−0.28	2	11	−2.50	−1.96	0.050	0.342
think	11	11	0.00	6	19	−2.60	−1.95	0.051	0.342
some	1	5	−1.63	2	5	−1.13	−1.92	0.054	0.342
am	19	28	−1.31	17	26	−1.37	−1.90	0.058	0.342
all	11	5	1.50	7	2	1.67	2.12	0.034	0.295
definitely	6	0	2.45	3	2	0.45	2.17	0.030	0.285
have	28	22	0.85	43	25	2.18	2.26	0.024	0.243
remembered	5	1	1.63	11	2	2.50	2.95	0.003	0.079

Bigrams
	Experiment 1			Experiment 2			Combined
	High Confidence	Medium Confidence	z	High Confidence	Medium Confidence	z	Weighted z	p-value	Adj. p value
am not	1	12	−3.05	1	10	−2.71	−4.08	0.000	0.009
not sure	0	6	−2.45	1	9	−2.53	−3.43	0.001	0.065
word but	0	9	−3.00	2	6	−1.41	−3.18	0.001	0.070
but I	3	12	−2.32	4	13	−2.18	−3.17	0.002	0.070
it was	5	10	−1.29	3	15	−2.83	−3.00	0.003	0.100
sure if	0	6	−2.45	0	3	−1.73	−2.97	0.003	0.100
but it	0	4	−2.00	0	4	−2.00	−2.83	0.005	0.120
medium confidence	0	4	−2.00	0	4	−2.00	−2.83	0.005	0.120
or not	0	4	−2.00	0	3	−1.73	−2.64	0.008	0.175
there is	0	3	−1.73	0	3	−1.73	−2.45	0.014	0.224
but there	0	2	−1.41	0	4	−2.00	−2.42	0.015	0.224
just do	0	2	−1.41	0	4	−2.00	−2.42	0.015	0.224
possible that	0	4	−2.00	0	2	−1.41	−2.42	0.015	0.224
so I	4	8	−1.15	8	18	−1.96	−2.26	0.024	0.275
is why	0	2	−1.41	0	3	−1.73	−2.23	0.026	0.275
as a	0	3	−1.73	0	2	−1.41	−2.23	0.026	0.275
before but	0	3	−1.73	0	2	−1.41	−2.23	0.026	0.275
the meaning	0	3	−1.73	0	2	−1.41	−2.23	0.026	0.275
is possible	0	4	−2.00	0	1	−1.00	−2.18	0.029	0.290
if I	2	9	−2.11	5	9	−1.07	−2.14	0.032	0.290
I just	1	3	−1.00	1	6	−1.89	−2.14	0.033	0.290
however I	1	4	−1.34	0	3	−1.73	−2.04	0.041	0.290
chance I	0	2	−1.41	0	2	−1.41	−2.00	0.046	0.290
not know	0	2	−1.41	0	2	−1.41	−2.00	0.046	0.290
not positive	0	2	−1.41	0	2	−1.41	−2.00	0.046	0.290
could have	0	2	−1.41	1	5	−1.63	−2.00	0.046	0.290
I cannot	2	8	−1.90	1	2	−0.58	−1.98	0.047	0.290
feel that	0	1	−1.00	0	3	−1.73	−1.96	0.050	0.290
it could	0	1	−1.00	0	3	−1.73	−1.96	0.050	0.290
number of	0	1	−1.00	0	3	−1.73	−1.96	0.050	0.290
it or	0	3	−1.73	0	1	−1.00	−1.96	0.050	0.290
am confident	1	0	1.00	3	0	1.73	1.96	0.050	0.290
and it	1	0	1.00	3	0	1.73	1.96	0.050	0.290
have no	0	1	−1.00	9	2	2.11	2.01	0.044	0.290
at all	8	3	1.51	5	1	1.63	2.11	0.035	0.290
and I	9	5	1.07	13	5	1.89	2.14	0.032	0.290
I definitely	6	0	2.45	0	1	−1.00	2.25	0.024	0.275
all I	4	0	2.00	2	0	1.41	2.42	0.015	0.224
have remembered	5	1	1.63	10	2	2.31	2.80	0.005	0.120
would have	14	3	2.67	24	10	2.40	3.34	0.001	0.065

Trigrams
	Experiment 1			Experiment 2			Combined
	High Confidence	Medium Confidence	z	High Confidence	Medium Confidence	z	Weighted z	p-value	Adj. p value
I am not	1	11	−2.89	1	10	−2.71	−3.96	0.000	0.016
this word but	0	7	−2.65	0	2	−1.41	−2.93	0.003	0.234
am not sure	0	4	−2.00	1	7	−2.12	−2.79	0.005	0.234
not sure if	0	4	−2.00	0	3	−1.73	−2.64	0.008	0.265
but I am	0	7	−2.65	1	1	0.00	−2.54	0.011	0.287
there is a	0	3	−1.73	0	3	−1.73	−2.45	0.014	0.287
just do not	0	2	−1.41	0	4	−2.00	−2.42	0.015	0.287
medium confidence level	0	4	−2.00	0	2	−1.41	−2.42	0.015	0.287
not think I	1	0	1.00	0	6	−2.45	−2.25	0.024	0.357
that it was	0	3	−1.73	1	5	−1.63	−2.24	0.025	0.357
word but it	0	2	−1.41	0	3	−1.73	−2.23	0.026	0.357
it is possible	0	4	−2.00	0	1	−1.00	−2.18	0.029	0.357
sure if I	0	4	−2.00	0	1	−1.00	−2.18	0.029	0.357
think I saw	1	1	0.00	0	5	−2.24	−2.08	0.038	0.357
is why I	0	2	−1.41	0	2	−1.41	−2.00	0.046	0.357
I just do	0	1	−1.00	0	3	−1.73	−1.96	0.050	0.357
the list but	0	1	−1.00	0	3	−1.73	−1.96	0.050	0.357
the word but	0	1	−1.00	0	3	−1.73	−1.96	0.050	0.357
remember this word	2	6	−1.41	0	3	−1.73	−1.93	0.053	0.357
and I think	3	0	1.73	1	0	1.00	1.96	0.050	0.357
I am confident	1	0	1.00	3	0	1.73	1.96	0.050	0.357
I have no	0	1	−1.00	9	2	2.11	2.01	0.044	0.357
it would have	3	0	1.73	2	0	1.41	2.23	0.026	0.357
at all I	4	0	2.00	2	0	1.41	2.42	0.015	0.287
word I am	4	0	2.00	3	0	1.73	2.64	0.008	0.265
would have remembered	5	1	1.63	10	2	2.31	2.80	0.005	0.234
I would have	7	2	1.67	19	6	2.60	3.01	0.003	0.234